Actual Dimensions: 19.88 x 24.88 x 4.38. Accumulair brand: 20x25x5 Honeywell F55F1037 substitute whole house air filters, exactly built to replace the OEM Honeywell F55F1037 filters. Completely assembled - no assembly or combs required. MERV rated to ASHRAE 52.2 test ratings assuring particle filtration to the level of the OEM Honeywell F55F1037 filters. Note: Example filter pic as shown is not the actual dimensions and is shown for design only. Trade names and Honeywell F55F1037 P/N shown for filter replacement identification purposes.
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