Description
Actual dimensions are 19.56 x 22 x 5.25. Accumulair brand 20x22x5 Nordyne 918737 style whole house air filters, exactly engineered to replace the OEM Nordyne 918737 air filters. Completely constructed - no forming or combs needed. MERV graded to ASHRAE 52.2 test standards ensuring filtration to the level of the name brand Nordyne 918737 air filter. Notice: The example air filter image as shown is not true to size and is shown for design only. Name brands and Nordyne 918737 part numbers are included for air filter substitution purposes.