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 5.5x10.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 5.5 x 10.5 x .75)
Regular price $106.50 USDRegular priceSale price $106.50 USD -
Filter King 39x27.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 39 x 27.5 x .75)
Regular price $209.47 USDRegular priceSale price $209.47 USD -
Filter King 6.5x60x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 6.5 x 60 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 4.5x48.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 4.5 x 48.5 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 7x62.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 7 x 62.5 x .75)
Regular price $142.08 USDRegular priceSale price $142.08 USD -
Filter King 38x21x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 38 x 21 x .75)
Regular price $131.84 USDRegular priceSale price $131.84 USD -
Filter King 35x9x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 35 x 9 x .75)
Regular price $103.87 USDRegular priceSale price $103.87 USD -
Filter King 6.5x63x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 6.5 x 63 x .75)
Regular price $142.08 USDRegular priceSale price $142.08 USD -
Filter King 40x22x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 40 x 22 x .75)
Regular price $215.36 USDRegular priceSale price $215.36 USD -
Filter King 9.5x13.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 9.5 x 13.5 x .75)
Regular price $71.30 USDRegular priceSale price $71.30 USD -
Filter King 37.5x65.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 37.5 x 65.5 x .75)
Regular price $318.14 USDRegular priceSale price $318.14 USD -
Filter King 5.5x41.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 5.5 x 41.5 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 5.5x7.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 5.5 x 7.5 x .75)
Regular price $106.50 USDRegular priceSale price $106.50 USD -
Filter King 30x32x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 30 x 32 x .75)
Regular price $193.09 USDRegular priceSale price $193.09 USD -
Filter King 38x23x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 38 x 23 x .75)
Regular price $195.33 USDRegular priceSale price $195.33 USD -
Filter King 40.5x32x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 40.5 x 32 x .75)
Regular price $293.12 USDRegular priceSale price $293.12 USD