HQRP True HEPA Filter B + 4-Pack Carbon Filters for GermGuardian AC4800, AC4900CA, AC4825, AC4825e, AC4850PT Air Purifiers, FLT4825 / FLT4850PT / FLT22CB4 Replacement Coaster
HQRP® True HEPA Filter Size B + 4 pcs Carbon Filters plus HQRP® Coaster;
Multiple levels of cleaning including Activated Carbon Filter to help decompose odors from smoking, cooking, pets etc;
The filter retains 99.97% of 0.3 microns which pass through the filter;
Combination filter needs to be replaced every 6-8 months depending on the use of the product;
Easy to install; 2 weeks DOA replacement warranty!