Actual dimensions are 19.75 x 19.88 x 4.38. Accumulair brand, 20x20x5 Lennox HCC14-23 compatible whole house filters, specifically constructed to replace OEM Lennox HCC14-23 air filters. Fully assembled with no forming or combs required. MERV graded to ASHRAE standards assuring operation to the level of the name brand Lennox HCC14-23 air filters. Photo: The sample filter image as shown is not to scale and is displayed for design purposes only. Brand names and Lennox HCC14-23 P/N are included for air filter substitution identification purposes.
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