Olansi- update air purifier with wifi Home clean Air Sterilizer-OLS-K15B Posted on January 5, 2019January 5, 2019 by olans228Olansi- update air purifier with wifi Home clean Air Sterilizer-OLS-K15BOlansi- update air purifier with wifi Home clean Air Sterilizer-OLS-K15B Posted in Air Purifier News and tagged WIFI air purifier.