Tag Archives: Hepa Air Purifier

Is the sterilization function of the air purifier really useful?

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Is the sterilization function of the air purifier really useful?

Affected by China’s PM2.5 air problem, the number of households purchasing air purifiers in Japan has also increased. There are also many families who want to buy an air purifier to prevent the flu.
This time, let us explore the “how well the flu defense effect of air purifiers” from a medical point of view.
Some home appliance merchants use the “clearing germs” to start advertising slogans. In the company’s research and papers, the sterilization effect of air purifiers is also very significant. But what is the effectiveness of the top Hepa air purifier in the actual use of the family?
· The experimental environment differs from the home use environment
This is because the experiment is to obtain experimental data in a specific environment, and does not obtain actual family data.
Nishimura Izumi of the Influenza Division of the Clinical Research Department of the Sendai Medical Center has published a related paper entitled “Performance Evaluation of High-Performance Electrical Appliances on the Market to Eliminate the Activity of Airborne Influenza Viruses” (Japan Journal of Infectious Diseases, 2011). “Verification of the ability of all kinds of purification appliances claiming to have a bactericidal effect to eliminate bacteria in a dry state” (Journal of the Japan Society for Environmental Infections, 2012).
It is still somewhat difficult to read the text. In terms of the results alone, the author is questioning the effect of the air purifier on eliminating the activation of pathogens (the viable bacteria).
· So, how to prevent germs is correct?
Below, we have selected some of the materials published in the “Influenza Care Guide 2013-14” (Nippon Medical News Agency).
Purifying electrical appliances produced by large electrical appliances rely on the release of special substances into the air to achieve the “eliminating the activating and bactericidal effects of planktonic bacteria”. It is not only suitable for general households, but also suitable for medical sites, and can be expanded. It is used on other occasions in the city.
However, the effectiveness of the sterilization of these appliances is currently only unilaterally stated by the manufacturer, and no third party provides an objective and impartial inspection report.
(Chinese)
The effect of eliminating the activity of airborne bacteria in the air does not achieve the desired effect in practical use. In contrast, a superior air purifier with superior performance is much better.
※Excerpted from “Influenza Care and Treatment Guide 2013-14” (Japan Medical News Agency)
There are a lot of electrical appliances that say they have various functions, but they can’t be used in practical applications. Therefore, only the air purifier with a filter and pure purification is worthy of possession.
Humidifiers are superior to air purifiers in terms of preventing bacteria. Its advantages are: the epidemic influenza virus prefers an environment with a temperature of about 15 to 20 and a humidity of about 20%. A slightly cold and dry environment is no better. But the humidifier can maintain more than 40% of the air humidity in the dry winter.
When the air humidity rises, the defense function of the human throat and trachea will also be improved, so it can be said that the humidifier has achieved the effect of preventing infection. Of course, if used in conjunction with a clean air purifier, the preventive effect will be even higher!

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The effect of the air purifier is good, the filter is the key!

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The effect of the air purifier is good, the filter is the key!

All clean air is filtered through a filter screen, which is the core component of the air purifier, which is directly related to the purification effect of the air purifier.
The filter cartridges used in the market purifiers are varied. Which filter is better?
1. The larger the extension area, the better.
The air purifier industry has an unwritten buying skill, that is, the larger the purification effect of the purifier, the better.
Here, the larger the amount is generally reflected in the filter screen, the larger the filter screen is, the larger the wind is so that at the same wind speed, more air can be purified, and the purification efficiency is correspondingly improved.
So we can see that the filter is a folding design, in order to increase the filter area.
2, multi-layer high-efficiency composite filter.
Comprehensive performance of the top 5  air purifier, the filter is generally not just a layer, a composite filter made up of different functional filters, can filter more diverse air pollutants, this air purifier can be applied to different indoor environments.
We can see that this composite filter is generally thicker, and the wind resistance caused by the composite filter is also larger, so the noise will also increase, which requires a very professional filter technology, while effectively filtering Can reduce wind resistance.
3, high-grade high-quality filter.
The high-quality filter can intercept finer particles while being effectively ventilated. For example, HEPA has high filtration efficiency, low flow resistance, and can be used continuously for a long time. It is often used as a high-quality filter in air purifiers.
For example, in the Senchen series air purifier filter, it contains H11 medium efficiency filter and H13 high-efficiency filter double HEPA filter paper, which can filter very small particles as small as PM0.1.
When we buy an air purifier, we must pay attention to the quality of the filter. High-quality filters can significantly improve the efficiency, effectiveness, and longevity of air purification.
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Air purifiers can solve that biological pollution

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Air purifiers can solve that biological pollution

In addition to the inhalable particulate pollution and harmful gases, the air pollution problems encountered in our daily lives are also a part of the biological pollution. In an indoor environment, factors that can cause biological contamination include bacteria, fungi, filter viruses, dust mites, and the like. The wide variety of biological pollutants is one of the major indoor air pollution phenomena that people face, and even most of the diseases caused by air pollution are related to biological pollution.
At present, the indoor air biological pollution factors causing indoor environmental pollution such as office buildings and homes, causing health damage such as allergic diseases or respiratory diseases mainly include the following:
First, mold. Mold is a microorganism that can multiply rapidly in warm and humid environments and is the causative agent of most air pollution-related diseases. Mold in the air can cause nausea, vomiting, abdominal pain and other symptoms, which can lead to asthma, dysentery and so on. According to a study by Aegis, Germany, among adults, asthma caused by various molds is the sum of other factors, and the probability of death is more than twice that of other factors.
Second, dust mites. Dust mites are one of the most common air micro-organisms and are small arthropods that are hard to find with the naked eye. Dust mites are one of the chief culprits of allergic diseases, and they proliferate rapidly in indoor environments. In particular, the wide application of carpets, wallpapers and upholstered furniture contributes to the growth of dust mites. The indoor environmental monitoring data of the Ai Jisen best cheap air purifier shows that under normal circumstances, there are at least 10,000 dust mites blown out by air conditioners, which cause allergic dermatitis, rhinitis, and chronic urticaria after entering the human body through the air flow.

Third, Legionella. Legionella is a kind of bacteria, mainly in water and soil. It is a big killer that endangers human health. The mortality rate is as high as 20%. Although Legionella does not spread through the air under normal circumstances, if the room is too humid, Legionella will enter the body through the aerosol mist in the indoor air, resulting in fever, accompanied by chills, muscle pain, headache, chest pain, difficulty breathing and so on.
Fourth, animal dander or other biologically active substances. In recent years, feeding pets has gradually become a trend, but the resulting pet dander and other related air pollutants with biologically active substances have seriously affected people’s health. When there is a pet in the room, the number of allergic sources in the air will also increase. According to the survey, about 15% of the general population have allergic reactions to allergic reactions to cats and dogs. As a result, the incidence of allergic diseases such as asthma and allergic rhinitis is greatly increased in families with pets.
Most of the best cheap air purifiers on the market can filter out the larger dust mites and animal dander, but for the smaller pathogenic factors such as mold and Legionella, only a small part of the ATP HEPA antibacterial peptide is used. Filter technology and UV photocatalyst air purifiers can effectively kill mold and Legionella. And the integration of these two sterilization and disinfection technologies, only the Agilent air purifier recently launched the flagship product S7.

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Air Purifier evaluation results released to formaldehyde is pure flicker – teach you how to choose air purifier

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Air Purifier evaluation results released to formaldehyde is pure flicker – teach you how to choose an air purifier

Xinhuanet Beijing August 29th (Reporter Zhang Zhilong, Xiao Haichuan) “Removal of formaldehyde 99%” “Efficient addition of PM2.5″… In the past two years, due to the influence of smog, air purifiers have been increasingly popular, and Is the product effect of thousands or even tens of thousands of dollars really magical?
Recently, the relevant performance evaluation results of China’s air purifiers released by relevant departments show that the PM2.5 technology in the air purifier purifying air is relatively mature, and the function of scavenging formaldehyde is basically “flickering”, with no significant effect, and the price is high and exaggerated. And so on.
Remove formaldehyde by 99%? Test result: Basically invalid.
On the 27th, the reporter saw at the air purifier counter of the front store of an electrical appliance store in Beijing that there were twenty or thirty air purifiers on the shelves, and the price ranged from less than 1,000 yuan to nearly 10,000 yuan. Many manufacturers’ large posters are printed with “99% formaldehyde removal”, “complete decomposition without residue”, “smart removal of formaldehyde”, etc., and various “advanced technologies” with letters and English are attached below.
The reporter asked about the need to purify the air after the house was renovated. The salesperson immediately promoted an imported brand air purifier with a price of 5,499 yuan. In the promotional materials, this model AC4076 products filter formaldehyde rate as high as 99.1%.
The reporter asked the clerk “when the effect can be achieved so well, how the value is drawn”, the clerk said that “this is imported, all the data detected by the authoritative laboratory, authentic and reliable, just use it.”
So, the actual use of formaldehyde in addition to the effect is really so ideal? Song Guangsheng, director of the National Indoor Interior-Environment and Environmental Product Quality Supervision and Inspection Center (hereinafter referred to as “Indoor Environmental Inspection Center”) gave a rather pessimistic answer: “Most air purifiers claim that formaldehyde has almost no effect.”

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Can I put an air purifier in my baby room? Does volume occupy the place?

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Can I put an air purifier in my baby room? Does volume occupy the place?

An air purifier can be placed. However, be cautious when choosing, because most of the air purifiers on the market not only have no effect on purification but also bring many problems in the process of use, such as air purification of a filter and fresh air systems. Because of its purification principle, the built-in fan of the machine is used to pump the dirty air in the room into the machine. When the dust in the air collides against the filter net, the layer of the filter is blocked by the layer, and some large particles of dust are blocked in the filter. In the net, in order to achieve the role of purifying the air. Therefore, in order to achieve a good purification effect, it will increase the rotation of the fan with more power, and the noise of the air purifier will also increase. The noisy noise environment has a very negative impact on your baby. Infants and young children’s central nervous system has not yet fully developed, long-term stimulation of noise, will damage brain cells, hinder the baby’s ability to develop language, recognition, intelligence, reaction, and judgment. It will also affect the sleep of infants and young children, reduce the body hormones and promote the secretion of high endocrine hormones, thus affecting the baby’s height development.
It’s good to use it. It’s good to use the space. My family’s brand is large. The square is the same as the one under the desk. It can also be used as a walking bedside table. The bookshelf is Best of all. Because the whole body of the machine is made of aluminum alloy, the air duct is also the front and rear air outlet mode, and the air is blown out before the wind enters the air. Therefore, placing the objects on the top does not hinder the normal use of the machine.
At present, the negative ion air purifier using the eco-negative ion generation chip technology and the nano-fullerene negative ion release technology avoids the noise problem while purifying, because it uses the above two technologies to generate a small equivalent to nature. Particle size, high-activity ecological grade negative ions, no need to use a fan, running zero noise. And support all-day purification, late zero consumables maintenance costs. To achieve common three-state pollution (chemical pollution, microbial pollution, and physical pollution) treatment. At the same time, the ecological-grade negative ions generated are important for the mental development of infants. Therefore, for the choice of air purifier for children must choose zero noise, purification of strong purification products.

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Preventing the formaldehyde crisis, starting with the use of air purifiers

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Preventing the formaldehyde crisis, starting with the use of air purifiers

In recent years, with the rapid growth of China’s economy, the acceleration of urbanization and the improvement of people’s living standards, more and more people are willing to increase investment in improving the living environment in order to live a better material and spiritual life.

Renovating new homes, improving old homes and adding new furniture seems to have become “home-cooked.” As everyone knows, these new furniture and new decoration imply a formaldehyde crisis, which will cause irreparable harm to human beings, especially children.

Do you know formaldehyde?

Formaldehyde is a colorless, irritating and water-soluble gas, and is the smallest molecular weight aldehyde. The No. 153 “Formaldehyde Carcinogenicity Announcement” issued by the World Health Organization on June 15, 2004, officially confirmed that formaldehyde is a carcinogen. In the same year, the International Agency for Research on Cancer (IARC) raised formaldehyde to a Class 1 carcinogen. Formaldehyde has become an important cause of leukemia.

Formaldehyde has a slightly higher density than air and sinks in the air. The most concentrated space of formaldehyde is less than 1 meter. This height is the most important space for children to absorb air. According to epidemiological statistics in China, about 50% of leukemia patients are children, and they are growing year by year. Home decoration leads to indoor environmental pollution and is considered to be the main cause of the increase in children with leukemia.

In general, formaldehyde in the air mainly comes from three places: wood-based panels for decoration and their wood-based panels, including wood-based panel furniture, partitions, moldings, flooring, etc.;

Decorative paints and adhesives, including latex paints, wood paints, metal paints, and glass glues; soft decoration, including curtains, wallpapers, sofas, carpets, etc.

Children have a large amount of activity, often crawling around and crawling. The amount of breathing is much higher than that of adults, and indoor activities are longer than adults. However, children’s own immunity is not strong and they are more harmful to formaldehyde.

The harm of formaldehyde to children

1. Increase the incidence of asthma in children. According to statistics, formaldehyde release pollution is the main cause of the increase in asthma in children aged 3-5 years;
2. Inducing children with blood diseases. Because children’s immunity is weak, formaldehyde emitted from interior decoration materials can easily damage children’s vulnerable bodies;
3. Make children’s intelligence greatly reduced. Long-term exposure to formaldehyde affects children’s intellectual development;
4. Excessive formaldehyde can even cause malformations in infants. Children with neonatal chromosomal abnormalities and pregnant women are particularly sensitive to formaldehyde and are more harmful. The baby’s immunity is low, the harm of formaldehyde is more serious, and eventually, the baby is deformed.

Therefore, no matter the child’s physical or intellectual development, the harm of indoor formaldehyde pollution to children can not be ignored.

How to reduce the harm of formaldehyde

1. We can increase the indoor green plants to absorb harmful gases through green plants. For example, ivy, spider plant, green radish, and aloe vera are both inexpensive and easy to manage;

2. We can use the ventilation method. By taking the natural circulation of indoor air to take away and dilute the harmful gases in the room. For rooms with poor ventilation, you can use a fan to blow;

3. Activated carbon adsorption method, using activated carbon with adsorption function, bamboo charcoal to remove these harmful gases, while activated carbon can be used repeatedly by drying;

4. Furniture cleaning and drying methods. Formaldehyde is easily soluble in water, often wiped with a wet rag, the effect is very good.

However, the evaporation period of formaldehyde can be up to 15 years, and the above methods are not always applicable. Therefore, the use of air purifiers is a long-term solution.

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Shared air purifiers from independent goods to the shared economy:

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Shared air purifiers from independent goods to the shared economy:

Since the word haze has received attention in 2015, people’s attention to the environment has become higher and higher. This led to a series of anti-fog masks, new fans, air purifiers, and other commodities. Among them, the introduction of the shared air purifier solution is more convenient for those who work in the northern cities.

There is not much difference in performance between a shared air purifier and a normal air purifier. Just in the business model, ordinary air purifiers are just the sale of goods, while shared air purifiers exist in a rental process. Although, buying an air purifier of your own is, in a sense, more practical than a shared air purifier. But for those who work outside, it costs a lot of money to buy an air purifier in a rental room.

In addition, the biggest advantage of the shared air purifier and the common purifier is that the shared air purifier is not limited by time and space. It can be placed not only in public places such as KTV, cafes but also in hotels, offices and other places. Let users breathe fresh air in their work and life. So from the perspective of a shared air purifier solution, is there a market for shared air purifiers?

The market for shared air purifiers can be analyzed from the following two aspects:

1. The development of the sharing economy
Last year, 2018 was rated as the winter of the Internet. In this year, not only many Internet companies are facing bankruptcy, but also shared economic projects such as shared bicycles are also facing a big impact. The dilemma of sharing bicycles has caused people to ponder over the development of the sharing economy.

In fact, the dilemma of sharing bicycles is foreseeable. Because it has many drawbacks in the venue and profit model, it is doomed to go a long way. From the shared air purifier solution, the shared air purifier has a fixed placement site, thus avoiding unnecessary cost waste. In terms of profitability, shared air purifier sharing projects have a clear profitable approach. In addition to the basic rental use income, there are advertising revenues.

Therefore, the failure of a single shared bicycle project cannot deny the development of the entire sharing economy. Conversely, from a shared air purifier solution, shared air purifiers have certain advantages in terms of placement and profitability.

2. Government policy support

In recent years, with global warming, the air quality of the human living environment has also been greatly affected. To this end, China has introduced relevant incentive policies in environmental protection. The shared air purifier solution, as a highly intelligent device that can be used indoors to purify the air and improve air quality, can naturally be supported by government policies.

It is understood that the government departments have introduced relevant legal provisions and clearly stated: “To strengthen environmental health risk management, promote the protection of public health concepts into environmental protection policies, and promote environmental health management to a new height.” This provides an important guarantee for the development of shared air purifiers.

In summary, from the solution of the shared air purifier, the shared air purifier can be developed rapidly and stably, which is the inevitable result of the development of the market economy.

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How to create aldehyde-free life, how to remove formaldehyde air purifier indoors

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How to create aldehyde-free life, how to remove formaldehyde air purifier indoors

The progress of the times has brought about major changes in the way of life. The country town has become a high-rise building, and the simple outdoor sports have become indoor gymnasiums and gymnasiums. Contemporary people spend more than 90% indoors. How do you guarantee indoor air quality? In the years before the smog was seriously jeopardized, people’s perception of PM2.5 gradually became clear, and they tried their best to reduce the harm to the body and hide inside the closed door.

Is the air quality at home good? In fact, the indoor air pollution level is not weaker than the outdoor, and there are data showing that indoor air quality is unqualified as high as 74%. The main source of pollution is formaldehyde exceeding the standard. Less than 5% of the air quality is qualified within one year of renovation, and less than half of them are qualified within three years. The house that has been renovated for 3 years is the research object, and it is carried out at 16°C-38°C, and the base number is 6482 households, and the unqualified rate reaches 74%. In addition, the office is the hardest-hit area, and most businesses will start working after the renovation. In such a bad environment, employees will be the biggest victims.

The transparency of the media allows us to see more news, free formaldehyde in the room, and every tragic case gives us an alarm. Except for aldehydes, don’t be lucky.
Some common “experience” misunderstandings in addition to aldehydes
1. The sense of smell has nothing to do with harmful other concentrations. It is very risky to stay when you smell it.
The individual’s personal sense of smell is different. Many harmful others are colorless and odorless. It is unscientific to judge indoor air quality by simply smelling. To determine the indoor air quality, this requires professional equipment to assist.
2, the window ventilation is not a once and for all
The release cycle of formaldehyde is as long as 3-15 years. In the first three years, it is a dense divergence period. Even if it is effectively ventilated to release formaldehyde before occupancy, the pollutants will be slowly released according to the characteristics of formaldehyde. If it stays in such an environment for a long time, it will also increase the risk of cancer. The presence of formaldehyde is divided into three types: free, adsorbed, and combined. Only the free form of formaldehyde can be eliminated at a 4 times wind speed.

3. Green plants are not very useful for removing aldehydes.
It is more difficult for them to purify the indoor air by green plants. Green plants are only an auxiliary means for indoor environmental management. When indoor air pollution is mild, plants can also contribute a force; when indoor air pollution is serious, plants can not only help but will be smoked by harmful gases.

4, vinegar, air freshener, water, tea to formaldehyde is a cover
Some consumers will use vinegar, air fresheners, and grapefruit peels to remove odors from new homes. Experts say that vinegar is an acidic substance that reacts with ammonia in the air, but it is not good for adsorbing formaldehyde. The use of air fresheners will only cover the ears and use a scent to cover up another odor without any adsorption or decomposition.

5, an air purifier can effectively adsorb and decompose formaldehyde
Air purifiers have been well received by consumers in recent years, not only to resist particulate matter but also to purify pollutants such as formaldehyde and benzene.

The air purifier is a kind of household environmental protection electric appliance that has accumulated a variety of aldehyde removal methods. The activated carbon filter mesh has been upgraded and modified, and the activated carbon particles are used to adsorb formaldehyde molecules and are not suitable for saturation. At the same time, HEPA filter dust removal, high-efficiency catalytic decomposition enzyme purification technology, and other methods are adopted, and indoor formaldehyde molecules are adsorbed reasonably and effectively.

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How to place a household air purifier

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How to place a household air purifier

After purchasing a home air purifier, which position in the home is better, here are four common senses for your reference:
1 When installing the air purifier, ensure that the bottom is stable, the position should be kept dry, and there is a relatively smooth vent;
2 Place it in the center of the room as much as possible, do not rely on anything (including walls, furniture, water, volatile flammable materials, etc.), keep it more than 1 meter away from the wall when using it;
3 Close the door and window when using to ensure better purification effect, not too close to people, because there will be more harmful gases around it, more or less harmful to the human body after inhalation;
4 Every 1-2 weeks, remember to clean the surface of the dust filter, and usually do the work of washing and disassembling and replacing the filter as needed to reduce the occurrence of faults, maintain good purification effect and prolong service life.

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Air purifier purchase, see these 4 values is enough!

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Air purifier purchase, see these 4 values is enough!

The air purifier can purify most of the harmful particulate matter in the air to a certain extent to achieve the effect of clean air. As more families value indoor air quality, air purifiers are almost a must for families.

How to choose an air purifier if you want to achieve the best indoor purification effect?

Look at the CADR value
CADR (clean air delivery rate) means “clean air output efficiency”, that is, the volume of air that can be purified per unit time. It is an internationally valuable data indicator for purifying air purifying capacity. The higher the CADR value, the higher the purification efficiency of the purifier. The CADR value determines the core performance of the air purifier and is the most important indicator when purchasing an air purifier, but it is not the only indicator.

Look at the CCM value
CCM (cumulate clean mass) is the cumulative purification amount. The air purifier’s consumables will decrease in performance as the use time increases. CCM means that CCM refers to the cumulative purification of pollutants (particles or The total weight of formaldehyde). The larger the CCM number, the longer the cycle of replacing the filter material, which means that the longer the filter life, the more pollutants the filter will purify during its lifetime.

Look at noise and energy consumption
It is very important that the air purifier is quiet when working. The excessive noise will cause trouble for the daily life of the room. The new national standard divides the noise limit of the air purifier from low to high into 4 files, which will be marked directly in the machine’s outer packaging and in the conspicuous position of the manual.

Users do not blindly pursue the CADR value of the product when purchasing the air purifier. In addition to the air purification efficiency, the high-quality air purifier, the sterilization detoxification ability, the running noise and the maintenance cost of the air purifier itself are also A key factor in determining the quality of an air purifier.
Buy four steps
☑ First, think about your purification needs;
Select the empty net value of the corresponding CADR according to the area;
Compare CCM to understand the empty net filter life (long-term cost of use);
Compare noise conditions, especially sleep silence.

In order to give full play to the effect of the air purifier, pay attention to the correct method when using it.

Placement position

The air purifier is best placed in the middle of the room without affecting the aesthetics of the home. Try not to rely on walls or furniture, or leave the wall more than 1 meter away from use. In addition, since some purifiers also generate traces of harmful gases around them, do not place them too close to the human body.

Open as long as possible

The purifying function of the air purifier takes a certain amount of time to improve the indoor air and to open it for a long time if conditions permit. Some purifiers with timing function can also more conveniently and effectively control the use time of the purifier. In use, the length of the specific opening is determined according to different usage areas.

Replace the filter in time

In the specific use process, the user also needs to pay attention to the purification effect of the air purifier in time. If the purifying effect of the air purifier is found to be reduced, or the odor is turned on after the air purifier is turned on, the filter should be replaced in time. The time for replacing the filter material should refer to the recommendations in the instruction manual, and it is usually better to replace it every six months. In addition, the replacement cycle should be adjusted according to the frequency of use and the severity of air pollution.

Choose the air purifier that is most suitable for the home environment, to ensure the cleanest air quality and create a cleaner home life.

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