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 37x33.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 37 x 33.5 x .75)
Regular price $293.12 USDRegular priceSale price $293.12 USD -
Filter King 20x22.25x2 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 20 x 22.25 x 1.75)
Regular price $106.88 USDRegular priceSale price $106.88 USD -
Filter King 5x31.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 5 x 31.5 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 8.5x10x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 8.5 x 10 x .75)
Regular price $116.29 USDRegular priceSale price $116.29 USD -
Filter King 5x61.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 5 x 61.5 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 5x58x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 5 x 58 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 7x53x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 7 x 53 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 5.5x39.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 5.5 x 39.5 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 4.5x17x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 4.5 x 17 x .75)
Regular price $106.50 USDRegular priceSale price $106.50 USD -
Filter King 6.5x41.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 6.5 x 41.5 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 8x14x2 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 8 x 14 x 1.75)
Regular price $95.68 USDRegular priceSale price $95.68 USD -
Filter King 6.5x39x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 6.5 x 39 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 4x23x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 4 x 23 x .75)
Regular price $106.50 USDRegular priceSale price $106.50 USD -
Filter King 6x53.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 6 x 53.5 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 6.5x24x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 6.5 x 24 x .75)
Regular price $106.50 USDRegular priceSale price $106.50 USD -
Filter King 39x65.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 39 x 65.5 x .75)
Regular price $318.14 USDRegular priceSale price $318.14 USD