Actual size is 16.63 x 26 x 4.13. Accumulair brand 17x26x4 Lennox X7574 replacement whole house air filters, specifically built to replace OEM Lennox X7574 air filters. Fully constructed so no assembly or combs needed. MERV graded to ASHRAE 52.2 test standards establishing particulate filtration equal to the original manufacturer Lennox X7574 air filters. Photo: The sample air filter pic as shown is not to scale and is displayed for design only. Name brands and Lennox X7574 identifier are used for air filter replacement identification purposes only. Database and statements are up to date as of 03/29/2020.
Shipping and Returns
- Shipping is FREE to the contiguous United States.
- Orders take 1-3 business days to process.
(Custom & bag filters take 5-7 business days.)
Delivery normally takes another 1-3 days depending on location.
- 30-day 100% return policy.
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