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 9.5x54.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 9.5 x 54.5 x .75)
Regular price $129.15 USDRegular priceSale price $129.15 USD -
Filter King 39x21.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 39 x 21.5 x .75)
Regular price $195.33 USDRegular priceSale price $195.33 USD -
Filter King 37.5x29x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 37.5 x 29 x .75)
Regular price $209.47 USDRegular priceSale price $209.47 USD -
Filter King 5.5x35.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 5.5 x 35.5 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 8x53x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 8 x 53 x .75)
Regular price $142.08 USDRegular priceSale price $142.08 USD -
Filter King 6.5x54.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 6.5 x 54.5 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 39.5x61.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 39.5 x 61.5 x .75)
Regular price $318.14 USDRegular priceSale price $318.14 USD -
Filter King 4x8.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 4 x 8.5 x .75)
Regular price $106.50 USDRegular priceSale price $106.50 USD -
Filter King 39x51.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 39 x 51.5 x .75)
Regular price $318.14 USDRegular priceSale price $318.14 USD -
Filter King 9.5x57.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 9.5 x 57.5 x .75)
Regular price $142.08 USDRegular priceSale price $142.08 USD -
Filter King 6x32x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 6 x 32 x .75)
Regular price $127.23 USDRegular priceSale price $127.23 USD -
Filter King 38x20.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 38 x 20.5 x .75)
Regular price $131.84 USDRegular priceSale price $131.84 USD -
Filter King 29.5x36x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 29.5 x 36 x .75)
Regular price $138.94 USDRegular priceSale price $138.94 USD -
Filter King 7x40x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 7 x 40 x .75)
Regular price $127.23 USDRegular priceSale price $127.23 USD -
Filter King 38.5x60x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 38.5 x 60 x .75)
Regular price $318.14 USDRegular priceSale price $318.14 USD -
Filter King 6x59x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 6 x 59 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD