Actual Size: 19.75 x 20.75 x 4.88. Accumulair brand, 20x20x5 Trion Air Bear 255649-103 style whole house filters, exactly constructed to be an alternative to the OEM Trion Air Bear 255649-103 filters. Completely built - no assembly or combs required. MERV rated to ASHRAE 52.2 test ratings assuring filtration equal to the original manufacturer Trion Air Bear 255649-103 air filter. Photo: The sample air filter image as shown is not true to size and is displayed for construction only. Name brands and Trion Air Bear 255649-103 part numbers used for filter substitution identification.
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