20x25x4 MERV 8 Pleated Air Filter (6 units) by | Jul 4, 2026A total of 6 units of 20x25x4 custom-made MERV 8 Pleated Air Filters available for purchase (boxes of 3 units): 1 box for $70 or both boxes for $130. These were ordered by mistake (unused, still in original plastic wrap).
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