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 7.5x8x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 7.5 x 8 x .75)
Regular price $116.54 USDRegular priceSale price $116.54 USD -
Filter King 39x53.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 39 x 53.5 x .75)
Regular price $318.14 USDRegular priceSale price $318.14 USD -
Filter King 4.5x10.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 4.5 x 10.5 x .75)
Regular price $95.87 USDRegular priceSale price $95.87 USD -
Filter King 4.5x5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 4.5 x 5 x .75)
Regular price $106.50 USDRegular priceSale price $106.50 USD -
Filter King 39.5x4x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 39.5 x 4 x .75)
Regular price $100.80 USDRegular priceSale price $100.80 USD -
Filter King 7x63.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 7 x 63.5 x .75)
Regular price $142.08 USDRegular priceSale price $142.08 USD -
Filter King 4x18x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 4 x 18 x .75)
Regular price $106.50 USDRegular priceSale price $106.50 USD -
Filter King 4.5x18.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 4.5 x 18.5 x .75)
Regular price $95.87 USDRegular priceSale price $95.87 USD -
Filter King 4x54x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 4 x 54 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 17.25x26x2 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 17.25 x 26 x 1.75)
Regular price $105.28 USDRegular priceSale price $105.28 USD -
Filter King 8.5x42x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 8.5 x 42 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 37x6.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 37 x 6.5 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 8x42.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 8 x 42.5 x .75)
Regular price $104.90 USDRegular priceSale price $104.90 USD -
Filter King 5.5x53x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 5.5 x 53 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 5x64x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 5 x 64 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 4x31.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 4 x 31.5 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD