Description
Actual size is 19.88 x 24.88 x 4.38. Accumulair brand, 20x25x5 Lennox X6673 style whole house filters, specifically designed to replace name brand Lennox X6673 air filters. Fully constructed with no forming or combs needed. MERV graded to ASHRAE 52.2 test grades assuring filtration equal to the OEM Lennox X6673 air filters. Note: The example air filter image as shown is not true to size and is there to show configuration purposes only. Name brands and Lennox X6673 part numbers are shown for filter substitution purposes.