Description
Actual Size: 16.63 x 26 x 4.13. Brand: Accumulair. 17x26x4 Lennox X7574 replacement whole house air filters, specifically engineered to be an alternative to the original manufacturer Lennox X7574 air filters. Completely box-formed with no forming or combs needed. MERV classified to ASHRAE 52.2 test specifications assuring particulate filtration as good or better than the name brand Lennox X7574 filters. Photo: The sample air filter picture as shown is not the actual dimensions and is shown for construction only. OEM names and Lennox X7574 identifier are used for air filter style identification purposes.