• Nispira True HEPA filter with carbon pre-filter compatible with Filter B
• High quality HEPA filter capture 99.97% of airborne particles down to 0.3 microns. The activated carbon pre filter eliminates many common household odors
• Compatible with air purifier model AC4825 AC4825E AC4825DL AC4825DLX AC4300BPTCA AC4850PT AC4900CA CDAP4500BCA CDAP4500WCA, AC4300bptca, AC4900ca, AC4825, AC4825dlx, AC4850PT, CDAP4500BCA, CDAP4500WCA, AC4820, Pure Guardian model AP2200CA, Black Decker BXAP148
• Filter dimension 15.5x 4.8 x 1.3 inches. Suggest to replace every 6 months
• 100% customer satisfaction guaranteed. Quality meets or exceeds leading national brand

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