Honeywell 4.9 in. H X 1 in. W Rectangular Carbon Pre-Filter 1 pk

The Honeywell premium household gas and odor reducing pre-filter helps capture larger particles and effectively reduces common household odors and gases.Pre filter,Filter B plus,Captures harmful gases such as ammonia and other volatile organic compounds,Deodorizes the air, reducing odors with activated carbon and zeolite,Reduces odors more effectively than standard carbon filters,Traps larger particles such as dust, lint, fibers and pet fur,Replace every 3 months