Actual size is 19.75 x 24.5 x 6. Accumulair brand, 20x25x6 Lennox X5424 style whole house air filters, specifically engineered to replace name brand Lennox X5424 filters. Fully constructed with no assembly or combs required. MERV graded to ASHRAE classifications assuring performance as good or better than the OEM Lennox X5424 filter. Photo: Sample filter picture displayed is not the actual dimensions and is there to show construction only. OEM names and Lennox X5424 identifier used for filter style identification purposes only.
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