CFSCarbon Activated Pre-Filter Compatible with FLT4825 HEPA Filter, AC4800 Series, Filter B Models – Fresh & Filtered Air for Indoor – Charcoal Air Filter Sheet – 4.8"x15.75" – Black (4 Pack)

CFS – Carbon Activated Pre-Filter Compatible with FLT4825 HEPA Filter, AC4800 Series, Filter B Models – Fresh & Filtered Air for Indoor – Charcoal Air Filter Sheet – 4.8"x15.75" – Black (4 Pack)

GermGuardian Genuine HEPA PURE Replacement Air Purifier Filter B for AC4825, AC4300, AC4900, AC4825DLX, AC4850, CDAP4500 & AP2200, FLT4825, Black/Yellow

GermGuardian 4-In-1 HEPA Air Purifier for Home, Large Rooms Up To 743 Sq. Ft. with HEPA Air Filter, UC-V Light & Odor Reduction, AC4825E, 22" Tower, Gray