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 6.5x54x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 6.5 x 54 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 38.5x63x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 38.5 x 63 x .75)
Regular price $318.14 USDRegular priceSale price $318.14 USD -
Filter King 6.5x5.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 6.5 x 5.5 x .75)
Regular price $106.50 USDRegular priceSale price $106.50 USD -
Filter King 37.5x5.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 37.5 x 5.5 x .75)
Regular price $100.80 USDRegular priceSale price $100.80 USD -
Filter King 38x7.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 38 x 7.5 x .75)
Regular price $100.80 USDRegular priceSale price $100.80 USD -
Filter King 4x21.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 4 x 21.5 x .75)
Regular price $106.50 USDRegular priceSale price $106.50 USD -
Filter King 37.5x66x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 37.5 x 66 x .75)
Regular price $364.16 USDRegular priceSale price $364.16 USD -
Filter King 4x40x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 4 x 40 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 5x20x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 5 x 20 x .75)
Regular price $106.50 USDRegular priceSale price $106.50 USD -
Filter King 36x48x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 36 x 48 x .75)
Regular price $322.18 USDRegular priceSale price $322.18 USD -
Filter King 38.5x54.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 38.5 x 54.5 x .75)
Regular price $318.14 USDRegular priceSale price $318.14 USD -
Filter King 4.5x21.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 4.5 x 21.5 x .75)
Regular price $106.50 USDRegular priceSale price $106.50 USD -
Filter King 9x31.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 9 x 31.5 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 39.5x44.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 39.5 x 44.5 x .75)
Regular price $271.55 USDRegular priceSale price $271.55 USD -
Filter King 36.5x40.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 36.5 x 40.5 x .75)
Regular price $302.02 USDRegular priceSale price $302.02 USD -
Filter King 7.5x52.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 7.5 x 52.5 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD