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“Filterbuy 18x20x4 Air Filter MERV 8 (MPR 700) Dust Defense Replacement (5-Pack), Electrostatic Pleated HVAC AC Furnace Filters, Made in USA (Actual Size: 17.50 x 19.50 x 3.63)” has been added to your cart. View cart

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Filterbuy 18x20x4 Air Filter MERV 8 (MPR 700) Dust Defense Replacement (5-Pack), Electrostatic Pleated HVAC AC Furnace Filters, Made in USA (Actual Size: 17.50 x 19.50 x 3.63)

Original price was: $116.35.Current price is: $62.78.
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Filterbuy 18x20x4 Air Filter MERV 8 (MPR 700) Dust Defense Replacement (6-Pack), Electrostatic Pleated HVAC AC Furnace Filters, Made in USA (Actual Size: 17.50 x 19.50 x 3.63)

Original price was: $133.08.Current price is: $63.81.
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Filterbuy 18x20x4 Air Filter MERV 8 Dust Defense (1-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.50 x 19.50 x 3.63 Inches)

Original price was: $42.59.Current price is: $25.55.
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Filterbuy 18x20x4 Air Filter MERV 8 Dust Defense (3-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.50 x 19.50 x 3.63 Inches)

Original price was: $75.39.Current price is: $45.23.
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Filterbuy 18x22x2 Air Filter MERV 11 (MPR 1200) Allergen Defense Replacement (12-Pack), Electrostatic Pleated HVAC AC Furnace Filters, Made in USA (Actual Size: 17.50 x 21.50 x 1.75)

Original price was: $99.99.Current price is: $59.99.
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Filterbuy 18x22x2 Air Filter MERV 11 Allergen Defense (3-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.50 x 21.50 x 1.75 Inches)

Original price was: $63.57.Current price is: $38.14.
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Filterbuy 18x22x2 Air Filter MERV 13 Optimal Defense (1-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.50 x 21.50 x 1.75 Inches)

Original price was: $44.12.Current price is: $26.47.
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Filterbuy 18x22x2 Air Filter MERV 13 Optimal Defense (3-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.50 x 21.50 x 1.75 Inches)

Original price was: $78.36.Current price is: $47.02.
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Filterbuy 18x22x2 Air Filter MERV 13 Optimal Defense (5-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.50 x 21.50 x 1.75 Inches)

Original price was: $121.20.Current price is: $60.88.
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Filterbuy 18x22x2 Air Filter MERV 13 Optimal Defense (6-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.50 x 21.50 x 1.75 Inches)

Original price was: $138.78.Current price is: $62.39.
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Filterbuy 18x22x2 Air Filter MERV 8 Dust Defense (3-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.50 x 21.50 x 1.75 Inches)

Original price was: $52.23.Current price is: $31.34.
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Filterbuy 18x22x2 Air Filter MERV 8 Dust Defense (5-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.50 x 21.50 x 1.75 Inches)

Original price was: $78.90.Current price is: $47.34.

Filterbuy 18x20x4 Air Filter MERV 8 (MPR 700) Dust Defense Replacement (5-Pack), Electrostatic Pleated HVAC AC Furnace Filters, Made in USA (Actual Size: 17.50 x 19.50 x 3.63)

Filterbuy 18x20x4 Air Filter MERV 8 (MPR 700) Dust Defense Replacement (6-Pack), Electrostatic Pleated HVAC AC Furnace Filters, Made in USA (Actual Size: 17.50 x 19.50 x 3.63)

Filterbuy 18x20x4 Air Filter MERV 8 Dust Defense (1-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.50 x 19.50 x 3.63 Inches)

Filterbuy 18x20x4 Air Filter MERV 8 Dust Defense (3-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.50 x 19.50 x 3.63 Inches)

Filterbuy 18x22x2 Air Filter MERV 11 (MPR 1200) Allergen Defense Replacement (12-Pack), Electrostatic Pleated HVAC AC Furnace Filters, Made in USA (Actual Size: 17.50 x 21.50 x 1.75)

Filterbuy 18x22x2 Air Filter MERV 11 Allergen Defense (3-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.50 x 21.50 x 1.75 Inches)

Filterbuy 18x22x2 Air Filter MERV 13 Optimal Defense (1-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.50 x 21.50 x 1.75 Inches)

Filterbuy 18x22x2 Air Filter MERV 13 Optimal Defense (3-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.50 x 21.50 x 1.75 Inches)

Filterbuy 18x22x2 Air Filter MERV 13 Optimal Defense (5-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.50 x 21.50 x 1.75 Inches)

Filterbuy 18x22x2 Air Filter MERV 13 Optimal Defense (6-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.50 x 21.50 x 1.75 Inches)

Filterbuy 18x22x2 Air Filter MERV 8 Dust Defense (3-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.50 x 21.50 x 1.75 Inches)

Filterbuy 18x22x2 Air Filter MERV 8 Dust Defense (5-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.50 x 21.50 x 1.75 Inches)

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