Actual dimensions are 20.25 x 25.38 x 5.25. Accumulair brand, 20x25x5 Electro-Air EANC2025 substitute whole house filters, exactly designed to substitute for the original manufacturer Electro-Air EANC2025 filters. Completely constructed with no forming or combs required. MERV classified to ASHRAE specs ensuring filtration as good or better than the original manufacturer Electro-Air EANC2025 air filters. Notice: The sample air filter picture as shown is not true to size and is displayed for design purposes. Brand names and Electro-Air EANC2025 identifier used for air filter replacement identification purposes.