Actual Size: 19.75 x 20.75 x 4.88. Accumulair brand 20x20x5 Trion Air Bear 455604-001 compatible whole house filters, exactly engineered to replace the original brand Trion Air Bear 455604-001 air filters. Fully assembled with no forming or combs required. MERV rated to ASHRAE classifications assuring particle filtration equal to the name brand Trion Air Bear 455604-001 filter. Notice: The sample air filter image as displayed is not true to size and is shown for construction only. Brand names and Trion Air Bear 455604-001 P/N are listed for air filter substitution purposes only.
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