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 9x26x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 9 x 26 x .75)
Regular price $95.10 USDRegular priceSale price $95.10 USD -
Filter King 39.5x53.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 39.5 x 53.5 x .75)
Regular price $318.14 USDRegular priceSale price $318.14 USD -
Filter King 9.5x35x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 9.5 x 35 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 39.5x34x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 39.5 x 34 x .75)
Regular price $293.12 USDRegular priceSale price $293.12 USD -
Filter King 38x28x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 38 x 28 x .75)
Regular price $239.74 USDRegular priceSale price $239.74 USD -
Filter King 5.5x60.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 5.5 x 60.5 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 7x64.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 7 x 64.5 x .75)
Regular price $142.08 USDRegular priceSale price $142.08 USD -
Filter King 40x39.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 40 x 39.5 x .75)
Regular price $263.81 USDRegular priceSale price $263.81 USD -
Filter King 15x30.75x2 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 15 x 30.75 x 1.75)
Regular price $107.90 USDRegular priceSale price $107.90 USD -
Filter King 40x35.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 40 x 35.5 x .75)
Regular price $263.81 USDRegular priceSale price $263.81 USD -
Filter King 9.5x28.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 9.5 x 28.5 x .75)
Regular price $105.66 USDRegular priceSale price $105.66 USD -
Filter King 40.5x36.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 40.5 x 36.5 x .75)
Regular price $302.02 USDRegular priceSale price $302.02 USD -
Filter King 36.5x29x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 36.5 x 29 x .75)
Regular price $209.47 USDRegular priceSale price $209.47 USD -
Filter King 4.5x63x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 4.5 x 63 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 7.5x32x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 7.5 x 32 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 39.5x47x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 39.5 x 47 x .75)
Regular price $294.85 USDRegular priceSale price $294.85 USD