Description
Actual Dimensions: 19.88 x 24.88 x 4.38. Accumulair brand, 20x25x5 Lennox X6661 style whole house air filters, exactly constructed to be an alternative to the OEM Lennox X6661 filters. Completely constructed so no assembly or combs required. MERV rated to ASHRAE standards ensuring particle filtration equal to the original manufacturer Lennox X6661 filter. Photo: Example air filter picture as displayed is not the actual dimensions and is included to show configuration purposes. Trade names and Lennox X6661 P/N are included for air filter style purposes.