Description
Actual Dimensions: 16.63 x 26 x 4.13. Brand: Accumulair. 17x26x4 Lennox X6666 compatible whole house filters, exactly built to replace OEM Lennox X6666 filters. Fully assembled so no assembly or combs required. MERV graded to ASHRAE specs ensuring filtration as good or better than the original brand Lennox X6666 air filters. Notice: The sample filter picture as displayed is not true to size and is shown for design purposes. Brand names and Lennox X6666 identifier used for filter substitution purposes.