Description
Actual dimensions are 20.75 x 24.25 x 4.38. Accumulair brand 21x24x4.5 Ruud RXHF-E24AM10 replacement whole house filters, exactly built to be an alternative to the original brand Ruud RXHF-E24AM10 filters. Fully box-formed so no forming or combs required. MERV rated to ASHRAE specs assuring operation equal to the original manufacturer Ruud RXHF-E24AM10 filters. Note: The sample filter picture displayed is not to scale and is included to show design purposes. OEM names and Ruud RXHF-E24AM10 part numbers are included for air filter replacement identification purposes.