Description
Actual size is 19.5 x 24.5 x 3.75. Accumulair brand: 20x25x4 20x25x4 Top Tech replacement whole house filters, specifically built to be an alternative to the original manufacturer 20x25x4 Top Tech filters. Fully built - no forming or combs needed. MERV graded to ASHRAE specifications ensuring filtration to the level of the original brand 20x25x4 Top Tech filter. Photo: The sample air filter pic displayed is not true to size and is displayed for construction purposes. Brand names and 20x25x4 Top Tech P/N shown for filter substitution identification purposes only.