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 7x33x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 7 x 33 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 40x36.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 40 x 36.5 x .75)
Regular price $263.81 USDRegular priceSale price $263.81 USD -
Filter King 16.5x22x2 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 16.5 x 22 x 1.75)
Regular price $105.28 USDRegular priceSale price $105.28 USD -
Filter King 6.5x24.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 6.5 x 24.5 x .75)
Regular price $106.50 USDRegular priceSale price $106.50 USD -
Filter King Air Filters 23.5x30.75x1 | 4-PACK | MERV 8 HVAC Pleated AC Furnace Filters | Air Purifier | Replacement Filters for Clean, Healthy & Fresh Environment | MADE IN USA
Regular price $112.90 USDRegular priceSale price $112.90 USD -
Filter King 36.5x5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 36.5 x 5 x .75)
Regular price $100.80 USDRegular priceSale price $100.80 USD -
Filter King 39x19x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 39 x 19 x .75)
Regular price $150.91 USDRegular priceSale price $150.91 USD -
Filter King 9.5x13x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 9.5 x 13 x .75)
Regular price $105.66 USDRegular priceSale price $105.66 USD -
Filter King 7x13x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 7 x 13 x .75)
Regular price $106.50 USDRegular priceSale price $106.50 USD -
Filter King 39.5x22.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 39.5 x 22.5 x .75)
Regular price $170.69 USDRegular priceSale price $170.69 USD -
Filter King 40x42.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 40 x 42.5 x .75)
Regular price $310.85 USDRegular priceSale price $310.85 USD -
Filter King 38.5x30.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 38.5 x 30.5 x .75)
Regular price $209.47 USDRegular priceSale price $209.47 USD -
Filter King 5.5x50.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 5.5 x 50.5 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 38.5x15.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 38.5 x 15.5 x .75)
Regular price $124.10 USDRegular priceSale price $124.10 USD -
Filter King 22x24x2 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 22 x 24 x 1.75)
Regular price $128.77 USDRegular priceSale price $128.77 USD -
Filter King 6.5x57.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 6.5 x 57.5 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD