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 36.5x66x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 36.5 x 66 x .75)
Regular price $318.14 USDRegular priceSale price $318.14 USD -
Filter King 37x8x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 37 x 8 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 7x42x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 7 x 42 x .75)
Regular price $104.90 USDRegular priceSale price $104.90 USD -
Filter King 36.5x48x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 36.5 x 48 x .75)
Regular price $271.55 USDRegular priceSale price $271.55 USD -
Filter King 38x22.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 38 x 22.5 x .75)
Regular price $195.33 USDRegular priceSale price $195.33 USD -
Filter King 9x52.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 9 x 52.5 x .75)
Regular price $142.08 USDRegular priceSale price $142.08 USD -
Filter King 6.5x22.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 6.5 x 22.5 x .75)
Regular price $106.50 USDRegular priceSale price $106.50 USD -
Filter King 9x17x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 9 x 17 x .75)
Regular price $116.54 USDRegular priceSale price $116.54 USD -
Filter King 6.5x38.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 6.5 x 38.5 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 38.5x7.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 38.5 x 7.5 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 39x29.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 39 x 29.5 x .75)
Regular price $239.74 USDRegular priceSale price $239.74 USD -
Filter King 9.5x19.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 9.5 x 19.5 x .75)
Regular price $57.92 USDRegular priceSale price $57.92 USD -
Filter King 7.5x16.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 7.5 x 16.5 x .75)
Regular price $105.66 USDRegular priceSale price $105.66 USD -
Filter King 6.5x35.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 6.5 x 35.5 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 40.5x43.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 40.5 x 43.5 x .75)
Regular price $271.55 USDRegular priceSale price $271.55 USD -
Filter King 6x21x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 6 x 21 x .75)
Regular price $116.54 USDRegular priceSale price $116.54 USD