Fangxuee FLT4825 True HEPA Filter Replacement Air Purifiers Compatible with Guardian Purifier for AC4900 AC4850

H13 TRUE HEPA FILTER B: The High-efficiency FLT4825 HEPA B air filters attaching 99.97% of dust,pollen,pet dander and wildfire smoke particles down to 0.1 microns from the air.Provide you and all the time. ACTIVATED CARBON PRE-FILTER: The activated carbon pre-filter of FLT4825 filter b collects dust,pet hair,and other large particles, while extending the life of the HEPA filter.Treated carbon take in volatile organic compounds from the air and reduces odors from smoking, cooking and pets. COMPATIBLE AIR PURIFIER MODELS: FLT4825 HEPA Filter B Widely compatible air purifier models AC4825, AC4825E,AC4825W,AC4300,AC4900,AC4870,AC4820,AC4300BPTCA,AC4300WPT,AC4900CA,AC4850PT,CDAP4500BCA,CDAP4500WCA,P-Guardian Model AP2200CA and Black plus BXAP150.NOTE:This is not-original product but compatible with replacement filter.Any use of the name or model designation for this product is made solely for purposes of demonstrating compatibility. VALUE PACKAGS: Package includes 4 x H13 True HEPA Filter B and 8 x Activated Carbon Filters.HEPA Filter Dimensions: H:15-7/10Inch x L:4-1/2Inch x W:1-3/10Inch, Carbon Filter Dimensions: H:15-7/10Inch x L:4-1/2Inch x W:1/5Inch.For the best performance,it is recommended to replace the HEPA filter every 6-8 months,replace the activated carbon pre-filter every 2-3 months for the best performance(depending on your usage and environment),and obtain higher filtration performance for long-term use.