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 7x47.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 7 x 47.5 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 39.5x58.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 39.5 x 58.5 x .75)
Regular price $318.14 USDRegular priceSale price $318.14 USD -
Filter King 4.5x63.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 4.5 x 63.5 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 6x58.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 6 x 58.5 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 4x64.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 4 x 64.5 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 5x28x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 5 x 28 x .75)
Regular price $106.50 USDRegular priceSale price $106.50 USD -
Filter King 5x8.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 5 x 8.5 x .75)
Regular price $106.50 USDRegular priceSale price $106.50 USD -
Filter King 37.5x60.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 37.5 x 60.5 x .75)
Regular price $318.14 USDRegular priceSale price $318.14 USD -
Filter King 6.5x43x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 6.5 x 43 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 7x29.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 7 x 29.5 x .75)
Regular price $95.87 USDRegular priceSale price $95.87 USD -
Filter King 4x8x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 4 x 8 x .75)
Regular price $117.44 USDRegular priceSale price $117.44 USD -
Filter King 6x48x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 6 x 48 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 16x21.5x2 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 16 x 21.5 x 1.75)
Regular price $105.28 USDRegular priceSale price $105.28 USD -
Filter King 4x43.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 4 x 43.5 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 4.5x20.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 4.5 x 20.5 x .75)
Regular price $106.50 USDRegular priceSale price $106.50 USD -
Filter King 19.25x23.25x2 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 19.25 x 23.25 x 1.75)
Regular price $106.88 USDRegular priceSale price $106.88 USD