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 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 -
Filter King 8x35.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 8 x 35.5 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 40.5x44.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 40.5 x 44.5 x .75)
Regular price $294.85 USDRegular priceSale price $294.85 USD -
Filter King 35x8x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 35 x 8 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 7x5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 7 x 5 x .75)
Regular price $106.50 USDRegular priceSale price $106.50 USD -
Filter King 4x62.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 4 x 62.5 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 36.5x61.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 36.5 x 61.5 x .75)
Regular price $364.16 USDRegular priceSale price $364.16 USD -
Filter King 9x10x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 9 x 10 x .75)
Regular price $105.92 USDRegular priceSale price $105.92 USD -
Filter King 17.25x17.25x2 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 17.25 x 17.25 x 1.75)
Regular price $100.48 USDRegular priceSale price $100.48 USD -
Filter King 18x18x2 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 18 x 18 x 1.75)
Regular price $151.17 USDRegular priceSale price $151.17 USD -
Filter King 6.5x63.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 6.5 x 63.5 x .75)
Regular price $142.08 USDRegular priceSale price $142.08 USD -
Filter King 38x56.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 38 x 56.5 x .75)
Regular price $318.14 USDRegular priceSale price $318.14 USD -
Filter King 6x53x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 6 x 53 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 11.25x19.25x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 11.25 x 19.25 x .75)
Regular price $86.14 USDRegular priceSale price $86.14 USD -
Filter King 20x23x2 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 20 x 23 x 1.75)
Regular price $157.38 USDRegular priceSale price $157.38 USD -
Filter King 8.5x39.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 8.5 x 39.5 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD