Description
Actual Size: 16.63 x 26 x 4.13. Accumulair brand 17x26x4 Lennox X7574 compatible whole house air filters, specifically built to be an alternative to the OEM Lennox X7574 filters. Fully built - no assembly or combs needed. MERV rated to ASHRAE 52.2 test ratings assuring particle capture to the level of the original brand Lennox X7574 air filters. Notice: Example air filter picture displayed is not to scale and is included to show construction only. Company names and Lennox X7574 part numbers are listed for air filter style identification.