Actual dimensions are 15.5 x 19.88 x 4.25. Brand: Accumulair. 16x20x4.5 Carrier FNCCAB0017 substitute whole house air filters, exactly constructed to be an alternative to the OEM Carrier FNCCAB0017 filters. Completely built so no forming or combs needed. MERV graded to ASHRAE grades assuring particle filtration equal to the original brand Carrier FNCCAB0017 filters. Notice: Sample air filter picture as shown is not the actual dimensions and is included to show construction purposes only. Name brands and Carrier FNCCAB0017 identifier are listed for filter style identification purposes only.
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