Actual Size: 20.25 x 20.75 x 5.25. Accumulair brand: 20x20x5 Goodman GMU2020 replacement whole house air filters, specifically constructed to replace the original manufacturer Goodman GMU2020 filters. Fully built - no forming or combs required. MERV graded to ASHRAE specs ensuring particulate capture as good or better than the original manufacturer Goodman GMU2020 air filters. Note: Sample air filter pic displayed is not the actual dimensions and is included to show design purposes. Name brands and Goodman GMU2020 P/N displayed for filter replacement identification.
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