Description
Actual size is 19.75 x 19.88 x 4.38. Accumulair brand, 20x20x5 Lennox X8308 substitute whole house air filters, exactly engineered to substitute for the name brand Lennox X8308 filters. Completely assembled so no assembly or combs needed. MERV graded to ASHRAE 52.2 test specifications ensuring particulate capture to the level of the original brand Lennox X8308 air filter. Note: Example filter picture shown is not the actual dimensions and is included to show construction only. Trade names and Lennox X8308 part numbers are listed for air filter replacement purposes only.