COMPATIBLE MODEL: TT-AP003 HEPA replacement filter for TT-AP003 Air Purifiers. TRUE HEPA REPLACEMENT FILTER: H13 True HEPA filters helps to remove up to 99.97% of airborne particles as small as 0.3 microns and pollen, protect you against sore throat. ODOR REMOVAL: Carbon Filter Absorb household odors, such as smoke odors, pet odors, cooking odors, and VOC's. EASY NO-TOOL REPLACEMENT: Replace the filter is very easy, no need any tools. We advice replace the filter at least 6 months or depend on usage. Color: Black & White Material: composite material Package Contents: 1 x HEPA Filter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.