Description
Actual Size: 16.63 x 26 x 4.13. Brand: Accumulair. 17x26x4 Lennox X6664 substitute whole house air filters, exactly constructed to replace the OEM Lennox X6664 air filters. Fully constructed with no assembly or combs required. MERV rated to ASHRAE 52.2 test ratings ensuring particulate capture to the level of the original brand Lennox X6664 filters. Photo: The sample air filter picture displayed is not to scale and is there to show configuration purposes only. OEM names and Lennox X6664 identifier are shown for filter substitution identification.