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 4x28x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 4 x 28 x .75)
Regular price $106.50 USDRegular priceSale price $106.50 USD -
Filter King 8.5x25x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 8.5 x 25 x .75)
Regular price $95.10 USDRegular priceSale price $95.10 USD -
Filter King 7x20x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 7 x 20 x .75)
Regular price $95.87 USDRegular priceSale price $95.87 USD -
Filter King 5.5x13x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 5.5 x 13 x .75)
Regular price $106.50 USDRegular priceSale price $106.50 USD -
Filter King 4.5x10x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 4.5 x 10 x .75)
Regular price $106.50 USDRegular priceSale price $106.50 USD -
Filter King 7x34x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 7 x 34 x .75)
Regular price $126.91 USDRegular priceSale price $126.91 USD -
Filter King 4.5x52.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 4.5 x 52.5 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 39.5x12.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 39.5 x 12.5 x .75)
Regular price $124.10 USDRegular priceSale price $124.10 USD -
Filter King 39.5x60.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 39.5 x 60.5 x .75)
Regular price $364.16 USDRegular priceSale price $364.16 USD -
Filter King 21x23x2 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 21 x 23 x 1.75)
Regular price $106.88 USDRegular priceSale price $106.88 USD -
Filter King 4.5x6x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 4.5 x 6 x .75)
Regular price $106.50 USDRegular priceSale price $106.50 USD -
Filter King 22x22x2 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 22 x 22 x 1.75)
Regular price $118.14 USDRegular priceSale price $118.14 USD -
Filter King 11.5x11.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 11.5 x .75"
Regular price $56.58 USDRegular priceSale price $56.58 USD -
Filter King 8x65x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 8 x 65 x .75)
Regular price $142.08 USDRegular priceSale price $142.08 USD -
Filter King 36x34x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 36 x 34 x .75)
Regular price $263.74 USDRegular priceSale price $263.74 USD -
Filter King 37x24x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 37 x 24 x .75)
Regular price $195.33 USDRegular priceSale price $195.33 USD