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 4x4.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 4 x 4.5 x .75)
Regular price $106.50 USDRegular priceSale price $106.50 USD -
Filter King 36.5x17.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 36.5 x 17.5 x .75)
Regular price $150.91 USDRegular priceSale price $150.91 USD -
Filter King 10x36x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 10 x 36 x .75)
Regular price $142.61 USDRegular priceSale price $142.61 USD -
Filter King 7x44.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 7 x 44.5 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 37x66.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 37 x 66.5 x .75)
Regular price $318.14 USDRegular priceSale price $318.14 USD -
Filter King 9x20x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 9 x 20 x .75)
Regular price $116.29 USDRegular priceSale price $116.29 USD -
Filter King 9.5x23x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 9.5 x 23 x .75)
Regular price $116.54 USDRegular priceSale price $116.54 USD -
Filter King 36.5x54x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 36.5 x 54 x .75)
Regular price $294.85 USDRegular priceSale price $294.85 USD -
Filter King 6.5x27.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 6.5 x 27.5 x .75)
Regular price $106.50 USDRegular priceSale price $106.50 USD -
Filter King 37.5x24x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 37.5 x 24 x .75)
Regular price $195.33 USDRegular priceSale price $195.33 USD -
Filter King 8x61x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 8 x 61 x .75)
Regular price $142.08 USDRegular priceSale price $142.08 USD -
Filter King 39x31.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 39 x 31.5 x .75)
Regular price $293.12 USDRegular priceSale price $293.12 USD -
Filter King 7x23.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 7 x 23.5 x .75)
Regular price $106.50 USDRegular priceSale price $106.50 USD -
Filter King 4.5x49.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 4.5 x 49.5 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 5x57.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 5 x 57.5 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 8x30x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 8 x 30 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD