Compatible with -H133 Air Purifier Only, Part number -H133-RF. Does not fit -H134, -H135 or other models. Pre filter and Activated Carbon Filter remove common household odors from the Air, reduce harmful odors such as dust, hairs, pet fur, cooking odor, smoke and more. True HEPA filter replacement helps capture up to 99.97% of airborne particles as small as 0.3 Micrometre. 360degree filtration: With the cylindrical air inlet, this filter has an all-around performance that thoroughly removes smoke, odors, pet fur, hairs and dust from your surrounding air. You can enjoy sleeping & relaxing more comfortably in your home. It is easy to replace with our filter, no tools required. For performance, recommend to replace the filters in every 6 months. The 3-in-1 high-efficiency replacement filter includes pre-filter, TRUE HEPA filter and activated carbon filter.Pre-filter removes large air contaminants like pet hairs and dust. Activated Carbon Filter absorbs household odors from pets, cooking, smoking, and more. colour:Black Material:Composite material Package Contents: 1 x Air Purifiers Filters Only the above package content, other products are not included. Note: Light 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.