Description
Actual Size: 17.25 x 20.75 x 4.38. Brand: Accumulair. 17.5x21x4.5 Rheem Protech 540010 replacement whole house air filters, exactly built to replace the original brand Rheem Protech 540010 air filters. Completely built with no assembly or combs needed. MERV classified to ASHRAE ratings establishing performance as good or better than the OEM Rheem Protech 540010 air filter. Notice: The example filter picture as displayed is not to scale and is there to show construction only. Name brands and Rheem Protech 540010 part numbers are used for filter replacement identification.