Description
Actual dimensions are 20.75 x 20.63 x 5. Accumulair brand 20x21x5 White-Rodgers ACB1600 substitute whole house filters, exactly built to be an alternative to the name brand White-Rodgers ACB1600 air filters. Fully constructed with no forming or combs required. MERV classified to ASHRAE 52.2 test ratings assuring particulate filtration to the level of the name brand White-Rodgers ACB1600 air filters. Note: Sample filter picture displayed is not true to size and is there to show construction purposes only. Brand names and White-Rodgers ACB1600 P/N shown for air filter style identification.