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 20x34x1 Air Filter (MERV 8) (12-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 19.5 x 33.5 x .75)
Regular price $346.37 USDRegular priceSale price $346.37 USD -
Filter King 13x18x1 Air Filter (MERV 8) (6-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 13 x 18 x .75)
Regular price $132.48 USDRegular priceSale price $132.48 USD -
Filter King 29.5x36x1 Air Filter (MERV 8) (12-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 29.5 x 36 x .75)
Regular price $410.11 USDRegular priceSale price $410.11 USD -
Filter King 20x20x1 Air Filter (MERV 8) (6-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 19.5 x 19.5 x .75)
Regular price $60.58 USDRegular priceSale price $60.58 USD -
Filter King 20x23x1 Air Filter (MERV 8) (6-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 19.5 x 22.5 x .75)
Regular price $87.65 USDRegular priceSale price $87.65 USD -
Filter King 12x30x1 Air Filter (MERV 8) (12-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 11.5 x 29.5 x .75)
Regular price $143.62 USDRegular priceSale price $143.62 USD -
Filter King 24x28x1 Air Filter (MERV 8) (6-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 23.5 x 27.5 x .75)
Regular price $153.12 USDRegular priceSale price $153.12 USD -
Filter King 13x21.5x2 Air Filter (MERV 8) (12-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 13 x 21.5 x 1.75)
Regular price $253.44 USDRegular priceSale price $253.44 USD -
Filter King 11.5x11.5x1 Air Filter | 6-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 11.5 x .75"
Regular price $83.14 USDRegular priceSale price $83.14 USD -
Filter King 12x25x1 Air Filter (MERV 8) (12-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 11.5 x 24.5 x .75)
Regular price $177.02 USDRegular priceSale price $177.02 USD -
Filter King 17.25x17.25x1 Air Filter (MERV 8) (12-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 17.25 x 17.25 x .75)
Regular price $236.16 USDRegular priceSale price $236.16 USD -
Filter King 6x12.25x1 Air Filter (MERV 8) (6-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 6 x 12.25 x .75)
Regular price $127.58 USDRegular priceSale price $127.58 USD -
Filter King Air Filters 19.75x22x1 | 12-PACK | MERV 8 HVAC Pleated AC Furnace Filters | Air Purifier | Replacement Filters for Clean, Healthy & Fresh Environment | MADE IN USA
Regular price $215.49 USDRegular priceSale price $215.49 USD -
Filter King 16x30x1 Air Filter (MERV 8) (6-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 15.5 x 29.5 x .75)
Regular price $87.94 USDRegular priceSale price $87.94 USD -
Filter King 11.5x21x1 Air Filter (MERV 8) (6-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 11.5 x 21 x .75)
Regular price $114.82 USDRegular priceSale price $114.82 USD -
Filter King 17x19x2 Air Filter (MERV 8) (12-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 17 x 19 x 1.75)
Regular price $283.97 USDRegular priceSale price $283.97 USD