Description The Winix 1712-0093-00 Filter T Replacement is a complete one year filter set. The Winix True HEPA Filter Captures 99.99%* of airborne allergens including pollen, dust, smoke, pet dander, and other ultrafine particles as small as 0.003 microns. The WashableΔ AOCTM Carbon Filter reduces VOCs and household odors from cooking, pets, and smoke. It is designed to catch airborne particles found indoors, which also helps prolong the True HEPA Filter life.The genuine Winix Filter T is compatible with HR900, HR950, HR951, and HR1000 Air Purifiers.ΔFilter performance may decrease after each wash and depending on contamination level prior to washing.*Based on independent laboratory tests conducted on inanimate particles as small as 0.003 microns.