merv 13 4inch 90-A-04PK-SO_thickness_10 1 VOC carbon canister and

1 VOC carbon canister and Replacement O-ring/gasket

If you do not require significant odour control

Antimicrobial Properties: none

Traps very fine particulate and is the main filter in the air cleaner

merv 13 4inch 90-A-04PK-SO_thickness_10 1 VOC carbon canister andThis filter was specifically designed for an easy retrofit into a typical 4" furnace filter track to increase efficiency High Efficiency cleaner air to breath Heavy duty, 100% reclaimed fiber, beverage board frame with expanded metal backing providing exceptional strength High Capacity model: more pleats = longer service life This product is an upgrade from a typical MERV 8 or MERV 11 furnace filter Price per filter, 6 Filters per case Advantages High