Actual dimensions are 20.25 x 25.38 x 5.25. Accumulair brand, 20x25x5 Day and Night CMF2025 substitute whole house filters, exactly built to replace the OEM Day and Night CMF2025 air filters. Completely built - no forming or combs required. MERV graded to ASHRAE standards establishing particle filtration to the level of the original manufacturer Day and Night CMF2025 air filter. Notice: The example air filter image displayed is not true to size and is displayed for design only. Name brands and Day and Night CMF2025 P/N are listed for filter substitution identification use.
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