Description
Actual size is 20.75 x 24.25 x 4.38. Brand: Accumulair. 21x24x4.5 Rheem PD540014 replacement whole house air filters, specifically engineered to replace name brand Rheem PD540014 air filters. Completely assembled - no assembly or combs required. MERV rated to ASHRAE specs assuring particulate filtration to the level of the original brand Rheem PD540014 filter. Note: Example air filter image shown is not true to size and is displayed for style only. Company names and Rheem PD540014 part numbers displayed for air filter style purposes.