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Made in USA 20" x 24" x 12", 95% Efficiency, V-Bank Mini-Pleat Air Filter MERV 14, Microfiberglass, Integrated Plastic Frame, 500 Max FPM, 1,675 CFM, For Any Unit - Walmart.com
High Temperature Flat Panel Air Filter Metal Frame Fiberglass Media Primary Efficiency Filter - China Air Filter, Filter | Made-in-China.com
Furnace Filters Frames - Custom sized
LakeAir Media 1 1814 Furnace Air Filter Frame and MERV 10 Filter
Air Filter Frames for Furnaces & AC Systems - Snap filter frames
Corinthian Vent Cover Return Air Filter Frame (White) - 32" x 5" opening size (34" x 7" overall) with mounting holes - Vent and Cover
Die-Cut Paperboard Air Filter Frames | High-Quality Custom Filter Frames
12x24x12 Super-Cell RP MERV 15 Rigid-Cell Air Filter Metal Frame, Full – Filtra Supply