20x25x5 Lennox X7751 Air Filter

Actual dimensions are 19.88 x 24.88 x 4.38. Accumulair brand, 20x25x5 Lennox X7751 substitute whole house air filters, exactly built to replace original manufacturer Lennox X7751 filters. Fully box-formed with no assembly or combs needed. MERV classified to ASHRAE standards assuring particle capture equal to the name brand Lennox X7751 filter. Note: Example air filter image shown is not the actual dimensions and is there to show construction purposes only. Trade names and Lennox X7751 identifier displayed for filter replacement identification use.