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.
-
Filter King 40x50x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 40 x 50 x .75)
Regular price $364.16 USDRegular priceSale price $364.16 USD -
Filter King 11.5x21x2 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 11.5 x 21 x 1.75)
Regular price $90.94 USDRegular priceSale price $90.94 USD -
Filter King 5.88x12.13x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 5.88 x 12.13 x .75)
Regular price $84.74 USDRegular priceSale price $84.74 USD -
Filter King 7x36x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 7 x 36 x .75)
Regular price $127.23 USDRegular priceSale price $127.23 USD -
Filter King 6.5x4x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 6.5 x 4 x .75)
Regular price $106.50 USDRegular priceSale price $106.50 USD -
Filter King 19.75x22x2 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 19.75 x 22 x 1.75)
Regular price $100.48 USDRegular priceSale price $100.48 USD -
Filter King 36.5x19x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 36.5 x 19 x .75)
Regular price $150.91 USDRegular priceSale price $150.91 USD -
Filter King 5x13.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 5 x 13.5 x .75)
Regular price $106.50 USDRegular priceSale price $106.50 USD -
Filter King 6.5x60.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 6.5 x 60.5 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 38x62.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 38 x 62.5 x .75)
Regular price $318.14 USDRegular priceSale price $318.14 USD -
Filter King 7x41.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 7 x 41.5 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 5.5x31.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 5.5 x 31.5 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 9x29x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 9 x 29 x .75)
Regular price $104.83 USDRegular priceSale price $104.83 USD -
Filter King 4x17x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 4 x 17 x .75)
Regular price $106.50 USDRegular priceSale price $106.50 USD -
Filter King 5x52x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 5 x 52 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 38x25x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 38 x 25 x .75)
Regular price $195.33 USDRegular priceSale price $195.33 USD