Description
Actual size is 20.75 x 24.25 x 4.38. Accumulair brand 21x24x4.5 Rheem PD540020 replacement whole house filters, specifically constructed to be an alternative to the OEM Rheem PD540020 air filters. Fully constructed - no assembly or combs needed. MERV graded to ASHRAE specifications ensuring particulate capture equal to the original brand Rheem PD540020 filter. Notice: The sample filter picture displayed is not true to size and is there to show style purposes only. Company names and Rheem PD540020 identifier are used for air filter substitution identification use.