Filter-Monster.com FilterMonster Replacement Filter with Carbon PreFilter Set 2 Filters and 2 CarbonFilter Pack Compatible with GermGuardian Air Purifier FLT4825 Size B

Compatibility Compatible with GermGuardian air purifier filters and engineered to fit FLT4825 Filter Size B Foam gasket on the filter ensures a tight seal preventing air from going around the sides Measures 163 x 49 x 17 inches Compatible Units Specifically compatible with air purifier model numbers AC4300BPTCA AC4900CA AC4820 AC4825 AC4870 AC4825DLX AC4850PT CDAP4500BCA CDAP4500WCA AP2200CA BLACKDECKER BXAP148 Air Quality Improvement True HEPA filtration is rated H13 and removes up to 9997 of airborne particles as small as 03 microns in size including dust smoke pollen pet hair and dander mold spores and dust mites Filtration Levels Carbon filter reduces common odors as well as gases chemicals and VOCs Volatile Organic Compounds from cooking cleaning and smoking Particle prefilter captures larger particles first extending the life of HEPA filter Maintenance Recommended to change this filter once every six 6 months under normal conditions and more often under harsh air conditions Each pack contains one 1 replacement HEPA filter and one 1 carbon prefilter.