Actual size is 20.1 x 25.7 x 5. Accumulair brand: 21x26x5 Trane FLR06074 style whole house air filters, specifically designed to substitute for the OEM Trane FLR06074 air filters. Completely box-formed - no assembly or combs required. MERV rated to ASHRAE 52.2 test classifications ensuring particulate capture equal to the name brand Trane FLR06074 air filters. Note: Sample filter image displayed is not to scale and is there to show style only. Trade names and Trane FLR06074 P/N included for air filter substitution identification use.
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