Description
Actual size is 17.25 x 20.75 x 4.38. Accumulair brand: 17.5x21x4.5 Ruud RXHF-E17AM10 style whole house air filters, exactly designed to be an alternative to the OEM Ruud RXHF-E17AM10 filters. Fully assembled so no forming or combs required. MERV rated to ASHRAE 52.2 test standards ensuring particulate filtration equal to the original manufacturer Ruud RXHF-E17AM10 filter. Notice: The example air filter picture shown is not true to size and is there to show design purposes only. Name brands and Ruud RXHF-E17AM10 identifier displayed for filter replacement identification.