Description
Actual Dimensions: 19.88 x 24.88 x 4.38. Accumulair brand 20x25x5 Lennox X6673 substitute whole house filters, specifically designed to substitute for the original brand Lennox X6673 air filters. Fully assembled so no forming or combs required. MERV graded to ASHRAE 52.2 test standards establishing function as good or better than the name brand Lennox X6673 filters. Note: The example filter image displayed is not the actual dimensions and is displayed for style purposes only. Brand names and Lennox X6673 identifier displayed for air filter style purposes only.