Actual size is 19.88 x 24.88 x 4.38. Accumulair brand, 20x25x5 Honeywell CF100A1025 style whole house air filters, specifically designed to replace the original manufacturer Honeywell CF100A1025 filters. Fully built - no forming or combs needed. MERV graded to ASHRAE specifications assuring particulate capture equal to the original manufacturer Honeywell CF100A1025 air filter. Photo: The sample air filter pic as displayed is not the actual dimensions and is included to show style only. OEM names and Honeywell CF100A1025 identifier are shown for filter substitution identification use.
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