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 9x9x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 9 x 9 x .75)
Regular price $96.96 USDRegular priceSale price $96.96 USD -
Filter King 36.5x47x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 36.5 x 47 x .75)
Regular price $271.55 USDRegular priceSale price $271.55 USD -
Filter King 4.5x55x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 4.5 x 55 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 9x65x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 9 x 65 x .75)
Regular price $142.08 USDRegular priceSale price $142.08 USD -
Filter King 40x47.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 40 x 47.5 x .75)
Regular price $294.85 USDRegular priceSale price $294.85 USD -
Filter King 4x61x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 4 x 61 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 9x30x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 9 x 30 x .75)
Regular price $104.90 USDRegular priceSale price $104.90 USD -
Filter King 5.5x65x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 5.5 x 65 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 17.5x27x2 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 17.5 x 27 x 1.75)
Regular price $105.28 USDRegular priceSale price $105.28 USD -
Filter King 6x66x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 6 x 66 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 5x30x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 5 x 30 x .75)
Regular price $103.87 USDRegular priceSale price $103.87 USD -
Filter King 39.5x37.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 39.5 x 37.5 x .75)
Regular price $302.02 USDRegular priceSale price $302.02 USD -
Filter King 4.5x16x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 4.5 x 16 x .75)
Regular price $106.50 USDRegular priceSale price $106.50 USD -
Filter King 9x55x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 9 x 55 x .75)
Regular price $127.81 USDRegular priceSale price $127.81 USD -
Filter King 40.5x4.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 40.5 x 4.5 x .75)
Regular price $100.80 USDRegular priceSale price $100.80 USD -
Filter King 39.5x41x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 39.5 x 41 x .75)
Regular price $271.55 USDRegular priceSale price $271.55 USD