Description
Actual dimensions are 20.75 x 24.25 x 4.38. Accumulair brand: 21x24x4.5 Rheem RXHF-E24AM10 style whole house filters, specifically built to substitute for the OEM Rheem RXHF-E24AM10 filters. Fully constructed - no forming or combs needed. MERV graded to ASHRAE 52.2 test grades ensuring particle filtration to the level of the original manufacturer Rheem RXHF-E24AM10 air filters. Note: The sample air filter picture shown is not true to size and is there to show design purposes. Name brands and Rheem RXHF-E24AM10 identifier shown for air filter substitution purposes only.