Actual dimensions are 19.75 x 24.25 x 4.75. Accumulair brand, 20x25x5 Carrier P101-MF20 substitute whole house air filters, exactly engineered to replace the name brand Carrier P101-MF20 air filters. Completely constructed so no assembly or combs required. MERV classified to ASHRAE 52.2 test specs establishing particulate capture equal to the original manufacturer Carrier P101-MF20 filters. Notice: The sample filter picture as displayed is not to scale and is displayed for style purposes only. Name brands and Carrier P101-MF20 P/N used for filter style purposes only.
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