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 40.5x29x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 40.5 x 29 x .75)
Regular price $209.47 USDRegular priceSale price $209.47 USD -
Filter King 37.5x20x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 37.5 x 20 x .75)
Regular price $131.84 USDRegular priceSale price $131.84 USD -
Filter King 39.5x17x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 39.5 x 17 x .75)
Regular price $131.84 USDRegular priceSale price $131.84 USD -
Filter King 36.5x12x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 36.5 x 12 x .75)
Regular price $142.08 USDRegular priceSale price $142.08 USD -
Filter King 39x16.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 39 x 16.5 x .75)
Regular price $150.91 USDRegular priceSale price $150.91 USD -
Filter King 5x52.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 5 x 52.5 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 38.5x45x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 38.5 x 45 x .75)
Regular price $271.55 USDRegular priceSale price $271.55 USD -
Filter King 39x15x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 39 x 15 x .75)
Regular price $124.10 USDRegular priceSale price $124.10 USD -
Filter King 9x32.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 9 x 32.5 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 7.5x57.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 7.5 x 57.5 x .75)
Regular price $142.08 USDRegular priceSale price $142.08 USD -
Filter King 38x13.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 38 x 13.5 x .75)
Regular price $124.10 USDRegular priceSale price $124.10 USD -
Filter King 19x22x2 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 19 x 22 x 1.75)
Regular price $106.88 USDRegular priceSale price $106.88 USD -
Filter King 39.5x26.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 39.5 x 26.5 x .75)
Regular price $239.74 USDRegular priceSale price $239.74 USD -
Filter King 38.5x16x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 38.5 x 16 x .75)
Regular price $131.84 USDRegular priceSale price $131.84 USD -
Filter King 5x35.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 5 x 35.5 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 4.5x27x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 4.5 x 27 x .75)
Regular price $106.50 USDRegular priceSale price $106.50 USD