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 38.5x19.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 38.5 x 19.5 x .75)
Regular price $150.91 USDRegular priceSale price $150.91 USD -
Filter King 4.5x39x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 4.5 x 39 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 36x23x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 36 x 23 x .75)
Regular price $195.33 USDRegular priceSale price $195.33 USD -
Filter King 37.5x30.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 37.5 x 30.5 x .75)
Regular price $209.47 USDRegular priceSale price $209.47 USD -
Filter King 40.5x40x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 40.5 x 40 x .75)
Regular price $271.55 USDRegular priceSale price $271.55 USD -
Filter King 8.5x6x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 8.5 x 6 x .75)
Regular price $105.66 USDRegular priceSale price $105.66 USD -
Filter King 6x16.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 6 x 16.5 x .75)
Regular price $105.66 USDRegular priceSale price $105.66 USD -
Filter King 5x62x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 5 x 62 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 40.5x20x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 40.5 x 20 x .75)
Regular price $195.33 USDRegular priceSale price $195.33 USD -
Filter King 5x55.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 5 x 55.5 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 36.5x33x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 36.5 x 33 x .75)
Regular price $293.12 USDRegular priceSale price $293.12 USD -
Filter King 16x36x2 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 16 x 36 x 1.75)
Regular price $128.77 USDRegular priceSale price $128.77 USD -
Filter King 7x54.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 7 x 54.5 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 5.5x31x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 5.5 x 31 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 38x11.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 38 x 11.5 x .75)
Regular price $124.10 USDRegular priceSale price $124.10 USD -
Filter King 9.5x34.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 9.5 x 34.5 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD