Actual size is 15.5 x 19.88 x 4.25. Accumulair brand: 16x20x4.25 Totaline FILBBFNC0017 replacement whole house filters, specifically designed to replace original manufacturer Totaline FILBBFNC0017 filters. Completely built so no forming or combs needed. MERV graded to ASHRAE specifications assuring particle filtration as good or better than the OEM Totaline FILBBFNC0017 air filters. Note: The example filter image shown is not true to size and is displayed for design purposes only. Trade names and Totaline FILBBFNC0017 part numbers displayed for filter replacement purposes.
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