Winix Filter O air purifier is a complete all-in-one HEPA filter set for the Winix air purifier T500 WiFi, Air Purifier Zero Compact, air purifier A330 and air purifier A332. The carbon filters of these HEPA air purifiers reduce strong odours indoors, such as odours from cooking odours, odours from pets, cigarette smoke and volatile organic compounds. The air purifier with HEPA filter cleans 99.97% of the smallest dust particles and impurities in the air (up to a size of 0.3 microns), including fine dust, pollen, allergies, mould spores and skin dandruff. Winix Filter O is suitable for the Winix air purifier Zero Compact, air purifier A330 and air purifier A332. Air purifier T500 WiFi, Zero Compact, air purifier A330 and air purifier A332 are compact and powerful air filters that clean indoor air quality by 99.97%. The A330 and A332 can be used in all rooms up to 45m² and the T500 WIFI, ZERO Compact even up to 50m². With a powerful CADR (Clean Air Delivery Rate) of 228 m³ or 250 m³ per hour, these HEPA air purifiers help you free your indoor air quality from allergies, pollen, dust, fine dust (PM2.5), viruses, bacteria, pet hair and mould spores, household odours (VOCs) and cigarette smoke. These air purifiers are ideal for the bedroom, but of course also for your living room. Tested and certified by ECARF and Allergy UK.