Collection: Furnace Filters
Furnace filters trap dust and allergens to keep your air clean and system running efficiently.
Shop easy-to-install filters for better airflow and everyday home comfort.
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Filter King 14x36x1 Air Filter (MERV 8) (6-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 13.5 x 35.5 x .75)
Regular price $127.58 USDRegular priceSale price $127.58 USD -
Filter King 22.25x25x1 Air Filter (MERV 8) (12-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 22.25 x 25 x .75)
Regular price $255.17 USDRegular priceSale price $255.17 USD -
Filter King 17.25x19.25x1 Air Filter (MERV 8) (6-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 17.25 x 19.25 x .75)
Regular price $143.52 USDRegular priceSale price $143.52 USD -
Filter King 16x24x1 Air Filter (MERV 8) (12-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 15.5 x 23.5 x .75)
Regular price $120.00 USDRegular priceSale price $120.00 USD -
Filter King 20x36x2 Air Filter (MERV 8) (6-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 19.5 x 35.5 x 1.75)
Regular price $239.33 USDRegular priceSale price $239.33 USD -
Filter King 20x21.5x1 Air Filter (MERV 8) (12-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 20 x 21.5 x .75)
Regular price $157.82 USDRegular priceSale price $157.82 USD -
Filter King 29x29x2 Air Filter (MERV 8) (6-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 28.5 x 28.5 x 1.75)
Regular price $178.75 USDRegular priceSale price $178.75 USD -
Filter King 23x25x2 Air Filter (MERV 8) (12-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 23 x 25 x 1.75)
Regular price $314.30 USDRegular priceSale price $314.30 USD -
Filter King 21.5x23.25x1 Air Filter (MERV 8) (6-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 21.5 x 23.25 x .75)
Regular price $101.47 USDRegular priceSale price $101.47 USD -
Filter King 21x22x2 Air Filter (MERV 8) (12-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 20.5 x 21.5 x 1.75)
Regular price $283.97 USDRegular priceSale price $283.97 USD -
Filter King 12x26x1 Air Filter (MERV 8) (6-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 11.5 x 25.5 x .75)
Regular price $138.82 USDRegular priceSale price $138.82 USD -
Filter King 13x20x2 Air Filter (MERV 8) (12-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 13 x 20 x 1.75)
Regular price $255.17 USDRegular priceSale price $255.17 USD -
Filter King 16x22.25x1 Air Filter (MERV 8) (6-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 16 x 22.25 x .75)
Regular price $124.42 USDRegular priceSale price $124.42 USD -
Filter King 14x22x2 Air Filter (MERV 8) (12-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 14 x 22 x 1.75)
Regular price $226.56 USDRegular priceSale price $226.56 USD -
Filter King 9x11x1 Air Filter (MERV 8) (6-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 9 x 11 x .75)
Regular price $100.90 USDRegular priceSale price $100.90 USD -
Filter King 16.25x21.5x1 Air Filter (MERV 8) (12-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 16.25 x 21.5 x .75)
Regular price $222.91 USDRegular priceSale price $222.91 USD