Actual Dimensions: 19.88 x 24.88 x 4.38. Accumulair brand: 20x25x5 Bryant FILCAB0020 compatible whole house air filters, specifically engineered to replace OEM Bryant FILCAB0020 filters. Completely assembled - no forming or combs required. MERV classified to ASHRAE 52.2 test specifications assuring function to the level of the original brand Bryant FILCAB0020 air filter. Photo: Example air filter picture displayed is not true to size and is shown for style only. Name brands and Bryant FILCAB0020 P/N are included for filter substitution identification use.