Actual Dimensions: 19.75 x 24.25 x 4.75. Accumulair brand, 20x25x5 Lennox BMAX-20C compatible whole house air filters, exactly built to replace original brand Lennox BMAX-20C filters. Fully box-formed - no assembly or combs required. MERV graded to ASHRAE 52.2 test specifications assuring particle capture to the level of the name brand Lennox BMAX-20C filters. Notice: The example filter image as displayed is not the actual dimensions and is included to show design only. Company names and Lennox BMAX-20C P/N shown for air filter substitution purposes only.
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