Filterbuy Building Supplies

Shop Filterbuy Building Supplies listings for pleated HVAC, AC, and furnace replacement air filters in several nominal sizes, thicknesses, and pack formats. Compare dimensions and MERV details before checking a listing.

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Filterbuy 21x22x1 Air Filter MERV 8 Dust Defense (6-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 20.50 x 21.50 x 0.75 Inches)

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Filterbuy 24x24x1 Air Filter MERV 8 Dust Defense (12-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 23.38 x 23.38 x 0.75 Inches)

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Filterbuy 18x22x1 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.75 x 21.75 x 0.75 Inches)

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Filterbuy 12x36x1 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 11.50 x 35.50 x 0.75 Inches)

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Filterbuy 10x24x1 Air Filter MERV 11 Allergen Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 9.50 x 23.50 x 0.75 Inches)

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Filterbuy 14x20x2 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 13.50 x 19.50 x 1.75 Inches)

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Filterbuy 20x25x5 Air Filter MERV 11 Allergen Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement for Trion Air Bear, Air Kontrol, Generalaire, Payne, Skuttle, and Ultravation (Actual Size: 19.63 x 24.13 x 4.88 Inches)

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Filterbuy 24x24x1 Air Filter MERV 11 Allergen Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 23.38 x 23.38 x 0.75 Inches)

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Filterbuy 14x14x1 Air Filter MERV 11 Allergen Defense (6-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 13.50 x 13.50 x 0.75 Inches)

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Filterbuy 14x25x1 Air Filter MERV 8 Odor Eliminator (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement with Activated Carbon (Actual Size: 13.50 x 24.50 x 0.75 Inches)

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Filterbuy 14x24x1 Air Filter MERV 11 Allergen Defense (6-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 13.38 x 23.38 x 0.75 Inches)

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Filterbuy 16x25x5 Air Filter MERV 13 Optimal Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement for Honeywell FC100A1029, Lennox X6670, Carrier P102-1625, Air Kontrol, Bryant, Day & Night, and Payne (Actual Size: 15.75 x 24.75 x 4.38)

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Filterbuy 20x24x1 Air Filter MERV 8 Dust Defense (12-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.38 x 23.38 x 0.75 Inches)

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Filterbuy 20x24x1 Air Filter MERV 8 Dust Defense (3-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.38 x 23.38 x 0.75 Inches)

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Filterbuy 20x22x1 Air Filter MERV 11 Allergen Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 x 21.50 x 0.75 Inches)

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Filterbuy 16x25x2 Air Filter MERV 8 Dust Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 x 24.50 x 1.75 Inches)

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Filterbuy 23.5x23.5x1 Air Filter MERV 8 Dust Defense (6-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 23.38 x 23.38 x 1.00 Inches)

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Filterbuy 10x20x1 Air Filter MERV 11 Allergen Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 9.50 x 19.50 x 0.75 Inches)

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Filterbuy 12x12x1 Air Filter MERV 11 Allergen Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 11.69 x 11.69 x 0.75 Inches)

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Filterbuy 24x24x4 Air Filter MERV 13 Optimal Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 23.38 x 23.38 x 3.63 Inches)

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Filterbuy 20x30x1 Air Filter MERV 11 Allergen Defense (6-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 x 29.50 x 0.75 Inches)

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Filterbuy 18x30x1 Air Filter MERV 11 Allergen Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.75 x 29.75 x 0.75 Inches)

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Filterbuy 18x18x1 Air Filter MERV 8 Dust Defense (6-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.50 x 17.50 x 0.75 Inches)

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Filterbuy 24x24x1 Air Filter MERV 13 Optimal Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 23.38 x 23.38 x 0.75 Inches)

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