Description
Actual Dimensions: 20.75 x 20.63 x 5. Accumulair brand, 20x21x5 White-Rodgers F825-0337 replacement whole house air filters, exactly engineered to substitute for the original brand White-Rodgers F825-0337 air filters. Completely built so no forming or combs required. MERV graded to ASHRAE 52.2 test specs assuring particulate filtration equal to the original brand White-Rodgers F825-0337 air filters. Note: The sample filter image as shown is not to scale and is there to show configuration only. OEM names and White-Rodgers F825-0337 identifier displayed for filter substitution purposes only.