Description
Actual Size: 17.25 x 20.75 x 4.38. Accumulair brand 17.5x21x4.5 Rheem Protech 540016 substitute whole house air filters, exactly constructed to replace the name brand Rheem Protech 540016 filters. Fully constructed so no assembly or combs needed. MERV graded to ASHRAE specifications ensuring function to the level of the original brand Rheem Protech 540016 air filters. Notice: Sample filter image as shown is not to scale and is shown for configuration purposes only. Trade names and Rheem Protech 540016 P/N are included for filter substitution purposes.