Actual Dimensions: 15.75 x 24.25 x 4.88. Accumulair brand: 16x25x5 Trion Air Bear Supreme 1400 compatible whole house air filters, exactly designed to be an alternative to the original brand Trion Air Bear Supreme 1400 air filters. Completely assembled with no forming or combs required. MERV classified to ASHRAE 52.2 test specs ensuring performance to the level of the original brand Trion Air Bear Supreme 1400 air filter. Note: Example air filter pic displayed is not true to size and is there to show style purposes. Name brands and Trion Air Bear Supreme 1400 P/N displayed for air filter replacement identification only.