Description
Actual dimensions are 16.63 x 26 x 4.13. Accumulair brand 17x26x4 Lennox X7574 style whole house filters, specifically engineered to be an alternative to the original manufacturer Lennox X7574 air filters. Fully constructed so no assembly or combs needed. MERV graded to ASHRAE 52.2 test grades ensuring performance equal to the original manufacturer Lennox X7574 filters. Photo: The example filter image shown is not true to size and is included to show configuration only. Trade names and Lennox X7574 identifier included for filter substitution purposes only.