Only Compatible With Following Air Purifier Models ： AC5000E, AC5250PT, AC5300B, AC5350B, AC5350W, CDAP5500, CDAP5500WSP, Also Compatible With Pure Guardian AP2800CA, Black + Decker BXAP250 and Lowe's Idlyis IAP-GG-125. Please confirm your air purifier model number before placing an order ! FLT5250PT HEPA PET CARE REPLACEMENT FILTER: Specifically engineered for pet owners, this HEPA filter effectively captures pet dander, hair, and odors while filtering up to 99.97% of airborne pollutants, including dust, pollen, mold spores as small as 0.3 microns. Enjoy cleaner, fresher indoor air with every use. ELIMINATES UNWANTED ODORS: The activated carbon pre-filter effectively neutralizes lingering pet odors while filtering large particles like hair, fur, and fibers. Breathe easier and enjoy a fresher home without worrying about unpleasant smells. PRECISION FIT, MAXIMUM FILTRATION : G-Guardian replacement filters ensure a precise fit and optimal filtration performance. Unlike inferior alternatives that may fail HEPA standards, fit improperly, reduce efficiency, or even damage your air purifier, our filters are designed for reliability. The effectiveness of your purifier depends on the quality of the filter inside—choose the best for superior air purification. MAINTAIN FRESHNESS: For optimal performance, replace the combination filter every 6 months based on usage. The carbon layer (FLT28CB4) should be changed every 2-3 months to effectively minimize pet odors and prolong the filter’s lifespan. FLT5250PT Air Purifier Replacement Filter C with Pet CARE Treatment for G-Guardian AC5250PT, AC5000E, AC5300B, AC5350W, AC5350B, CDAP5500 2 Purple Pet Care HEPA with 8 Carbon Pre-Filters