Description
Actual dimensions are 20.75 x 24.25 x 4.38. Accumulair brand: 21x24x4.5 Ruud RXHF-E24AM10 substitute whole house air filters, exactly constructed to replace the original manufacturer Ruud RXHF-E24AM10 air filters. Fully constructed - no assembly or combs needed. MERV classified to ASHRAE 52.2 test classifications ensuring particle capture equal to the original brand Ruud RXHF-E24AM10 air filters. Note: The example air filter pic as shown is not the actual dimensions and is displayed for configuration only. OEM names and Ruud RXHF-E24AM10 identifier included for air filter substitution identification.