Actual Dimensions: 19.75 x 19.88 x 4.38. Accumulair brand: 20x20x5 Honeywell F100B2024 compatible whole house filters, exactly engineered to replace original manufacturer Honeywell F100B2024 air filters. Fully built so no assembly or combs needed. MERV graded to ASHRAE classifications establishing particulate filtration as good or better than the original manufacturer Honeywell F100B2024 air filters. Notice: The example filter pic as shown is not the actual dimensions and is displayed for design purposes. Trade names and Honeywell F100B2024 identifier shown for filter replacement identification only.
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