Fresh-Aire UV 1" Photocatalytic Media, Part # TUV-PRT-FM. 20 x 25(to be cut to size) 10x20x2 Unique design offers an additional

Unique design offers an additional 1" of filtration depth compared to standard cartridge replacement filters

Solid construction

Includes Plastic Frame

We highly recommend using a qualified Technician to disconnect electrical power from Air Cleaner

For Aprilaire Models 500

Fresh-Aire UV 1" Photocatalytic Media, Part # TUV-PRT-FM. 20 x 25(to be cut to size) 10x20x2 Unique design offers an additionalFresh Aire UV 1" Photocatalytic Media, Part # TUV PRT FM 1" Photocatalytic Media captures volatile organic compounds (odor molecules) and transforms them into harmless water vapor and carbon dioxide 20 x 25 you will need to cut to size Replace Once A Year