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 39.5x40x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 39.5 x 40 x .75)
Regular price $302.02 USDRegular priceSale price $302.02 USD -
Filter King 38x7x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 38 x 7 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 4.5x9x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 4.5 x 9 x .75)
Regular price $106.50 USDRegular priceSale price $106.50 USD -
Filter King 8x20x2 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 8 x 20 x 1.75)
Regular price $95.68 USDRegular priceSale price $95.68 USD -
Filter King 6x22.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 6 x 22.5 x .75)
Regular price $105.66 USDRegular priceSale price $105.66 USD -
Filter King 7x61.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 7 x 61.5 x .75)
Regular price $142.08 USDRegular priceSale price $142.08 USD -
Filter King 40x21x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 40 x 21 x .75)
Regular price $195.33 USDRegular priceSale price $195.33 USD -
Filter King 39.5x39x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 39.5 x 39 x .75)
Regular price $263.81 USDRegular priceSale price $263.81 USD -
Filter King 4x14.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 4 x 14.5 x .75)
Regular price $106.50 USDRegular priceSale price $106.50 USD -
Filter King 11.25x23.25x2 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 11.25 x 23.25 x 1.75)
Regular price $90.94 USDRegular priceSale price $90.94 USD -
Filter King 38.5x6x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 38.5 x 6 x .75)
Regular price $100.80 USDRegular priceSale price $100.80 USD -
Filter King 7.5x56.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 7.5 x 56.5 x .75)
Regular price $129.15 USDRegular priceSale price $129.15 USD -
Filter King 4.5x45.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 4.5 x 45.5 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 6x26.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 6 x 26.5 x .75)
Regular price $105.66 USDRegular priceSale price $105.66 USD -
Filter King 39x16x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 39 x 16 x .75)
Regular price $131.84 USDRegular priceSale price $131.84 USD -
Filter King 20x32x2 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 20 x 32 x 1.75)
Regular price $155.84 USDRegular priceSale price $155.84 USD