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 8.5x10.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 8.5 x 10.5 x .75)
Regular price $104.83 USDRegular priceSale price $104.83 USD -
Filter King 39.5x8x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 39.5 x 8 x .75)
Regular price $100.80 USDRegular priceSale price $100.80 USD -
Filter King 7x55x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 7 x 55 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 36.5x7x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 36.5 x 7 x .75)
Regular price $100.80 USDRegular priceSale price $100.80 USD -
Filter King 16x18x2 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 16 x 18 x 1.75)
Regular price $103.68 USDRegular priceSale price $103.68 USD -
Filter King 40x45x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 40 x 45 x .75)
Regular price $294.85 USDRegular priceSale price $294.85 USD -
Filter King 9x21.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 9 x 21.5 x .75)
Regular price $105.66 USDRegular priceSale price $105.66 USD -
Filter King 30x30x2 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 30 x 30 x 1.75)
Regular price $175.74 USDRegular priceSale price $175.74 USD -
Filter King 36.5x14.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 36.5 x 14.5 x .75)
Regular price $142.08 USDRegular priceSale price $142.08 USD -
Filter King 9x51x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 9 x 51 x .75)
Regular price $129.15 USDRegular priceSale price $129.15 USD -
Filter King 36.5x59.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 36.5 x 59.5 x .75)
Regular price $318.14 USDRegular priceSale price $318.14 USD -
Filter King 8.5x34.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 8.5 x 34.5 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 4.5x49x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 4.5 x 49 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 19.5x21x2 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 19.5 x 21 x 1.75)
Regular price $106.88 USDRegular priceSale price $106.88 USD -
Filter King 4.5x62x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 4.5 x 62 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 4x46x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 4 x 46 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD