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 4x45.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 4 x 45.5 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 8x30.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 8 x 30.5 x .75)
Regular price $105.34 USDRegular priceSale price $105.34 USD -
Filter King 39.5x52.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 39.5 x 52.5 x .75)
Regular price $318.14 USDRegular priceSale price $318.14 USD -
Filter King 36x13.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 36 x 13.5 x .75)
Regular price $140.99 USDRegular priceSale price $140.99 USD -
Filter King 36.5x60x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 36.5 x 60 x .75)
Regular price $318.14 USDRegular priceSale price $318.14 USD -
Filter King 8x61.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 8 x 61.5 x .75)
Regular price $129.15 USDRegular priceSale price $129.15 USD -
Filter King 36x22x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 36 x 22 x .75)
Regular price $135.87 USDRegular priceSale price $135.87 USD -
Filter King 39.5x19.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 39.5 x 19.5 x .75)
Regular price $137.22 USDRegular priceSale price $137.22 USD -
Filter King 5x15x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 5 x 15 x .75)
Regular price $106.50 USDRegular priceSale price $106.50 USD -
Filter King 5x44.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 5 x 44.5 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 39.5x54.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 39.5 x 54.5 x .75)
Regular price $318.14 USDRegular priceSale price $318.14 USD -
Filter King 6.5x34.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 6.5 x 34.5 x .75)
Regular price $104.90 USDRegular priceSale price $104.90 USD -
Filter King 36x12x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 36 x 12 x .75)
Regular price $142.08 USDRegular priceSale price $142.08 USD -
Filter King 20x21.5x2 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 20 x 21.5 x 1.75)
Regular price $106.88 USDRegular priceSale price $106.88 USD -
Filter King 7x38x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 7 x 38 x .75)
Regular price $98.94 USDRegular priceSale price $98.94 USD -
Filter King 40.5x18.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 40.5 x 18.5 x .75)
Regular price $131.84 USDRegular priceSale price $131.84 USD