Description
Actual dimensions are 19.88 x 24.88 x 4.38. Brand: Accumulair. 20x25x5 Lennox X6673 substitute whole house air filters, specifically constructed to replace original manufacturer Lennox X6673 air filters. Completely constructed so no assembly or combs needed. MERV graded to ASHRAE 52.2 test ratings establishing operation to the level of the OEM Lennox X6673 air filters. Notice: The sample filter image shown is not to scale and is included to show design purposes only. Company names and Lennox X6673 identifier are listed for filter replacement identification purposes only.