![Trending 17x26x4 Lennox X6664 Air Filter Collection [K8grkbXq]](https://cdn.shopify.com/s/files/1/0352/6089/files/whole_house_filters_d5aa48d4-64b9-4480-9c9e-a9014cc9c9d6.jpg?v=1749086841)
Trending 17x26x4 Lennox X6664 Air Filter Collection [K8grkbXq]
Actual Dimensions: 16.63 x 26 x 4.13. Accumulair brand 17x26x4 Lennox X6664 style whole house air filters, exactly constructed to replace the original brand Lennox X6664 filters. Completely built so no assembly or combs required. MERV rated to ASHRAE
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Actual Dimensions: 16.63 x 26 x 4.13. Accumulair brand 17x26x4 Lennox X6664 style whole house air filters, exactly constructed to replace the original brand Lennox X6664 filters. Completely built so no assembly or combs required. MERV rated to ASHRAE 52.2 test grades assuring performance as good or better than the original brand Lennox X6664 air filters. Notice: The example air filter image as shown is not to scale and is displayed for design purposes only. OEM names and Lennox X6664 part numbers are used for air filter replacement purposes.
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