Actual size is 16.25 x 21 x 5. Brand: Accumulair. 16x21x5 Emerson F825-0431 style whole house air filters, exactly constructed to replace the OEM Emerson F825-0431 air filters. Completely constructed - no assembly or combs required. MERV graded to ASHRAE 52.2 test specs establishing function to the level of the OEM Emerson F825-0431 air filters. Note: The example air filter pic shown is not the actual dimensions and is displayed for design purposes only. OEM names and Emerson F825-0431 part numbers are included for air filter replacement identification purposes.
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