Description
Actual Size: 20.75 x 20.75 x 4.38. Accumulair brand, 21x21x4.5 Rheem RXHF-E21AM10 compatible whole house air filters, specifically constructed to replace the original manufacturer Rheem RXHF-E21AM10 filters. Completely constructed - no assembly or combs required. MERV rated to ASHRAE 52.2 test grades ensuring filtration as good or better than the original manufacturer Rheem RXHF-E21AM10 filters. Photo: The sample filter picture as shown is not true to size and is displayed for design purposes. OEM names and Rheem RXHF-E21AM10 P/N displayed for air filter style identification purposes only.