Description
Actual dimensions are 16.25 x 21 x 5. Accumulair brand, 16x21x5 Electro-Air F825-0431 substitute whole house filters, exactly built to replace the name brand Electro-Air F825-0431 air filters. Fully constructed with no assembly or combs needed. MERV rated to ASHRAE 52.2 test ratings ensuring particulate filtration equal to the name brand Electro-Air F825-0431 air filter. Notice: Sample filter image as displayed is not to scale and is there to show design purposes. Name brands and Electro-Air F825-0431 part numbers are shown for filter style identification only.