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 4x44.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 4 x 44.5 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 9x63x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 9 x 63 x .75)
Regular price $142.08 USDRegular priceSale price $142.08 USD -
Filter King 5.5x29.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 5.5 x 29.5 x .75)
Regular price $93.18 USDRegular priceSale price $93.18 USD -
Filter King 7x65.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 7 x 65.5 x .75)
Regular price $142.08 USDRegular priceSale price $142.08 USD -
Filter King 7x23x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 7 x 23 x .75)
Regular price $106.50 USDRegular priceSale price $106.50 USD -
Filter King 38.5x11x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 38.5 x 11 x .75)
Regular price $124.10 USDRegular priceSale price $124.10 USD -
Filter King 8x35x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 8 x 35 x .75)
Regular price $103.87 USDRegular priceSale price $103.87 USD -
Filter King 4.5x32.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 4.5 x 32.5 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 40x22.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 40 x 22.5 x .75)
Regular price $195.33 USDRegular priceSale price $195.33 USD -
Filter King 5x24x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 5 x 24 x .75)
Regular price $117.44 USDRegular priceSale price $117.44 USD -
Filter King 9.5x15.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 9.5 x 15.5 x .75)
Regular price $63.74 USDRegular priceSale price $63.74 USD -
Filter King 7.5x55x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 7.5 x 55 x .75)
Regular price $142.08 USDRegular priceSale price $142.08 USD -
Filter King 10x18x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 10 x 18 x .75)
Regular price $80.50 USDRegular priceSale price $80.50 USD -
Filter King 36.5x63.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 36.5 x 63.5 x .75)
Regular price $318.14 USDRegular priceSale price $318.14 USD -
Filter King 39x20.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 39 x 20.5 x .75)
Regular price $195.33 USDRegular priceSale price $195.33 USD -
Filter King 5.5x46x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 5.5 x 46 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD