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 7x36.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 7 x 36.5 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 6.5x61.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 6.5 x 61.5 x .75)
Regular price $142.08 USDRegular priceSale price $142.08 USD -
Filter King 40x29x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 40 x 29 x .75)
Regular price $209.47 USDRegular priceSale price $209.47 USD -
Filter King 38.5x8.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 38.5 x 8.5 x .75)
Regular price $100.80 USDRegular priceSale price $100.80 USD -
Filter King 16.38x21.5x2 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 16.38 x 21.5 x 1.75)
Regular price $147.58 USDRegular priceSale price $147.58 USD -
Filter King 37.5x36x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 37.5 x 36 x .75)
Regular price $256.06 USDRegular priceSale price $256.06 USD -
Filter King 40.5x35.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 40.5 x 35.5 x .75)
Regular price $263.81 USDRegular priceSale price $263.81 USD -
Filter King 6x47.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 6 x 47.5 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 6x55.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 6 x 55.5 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 39.5x11.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 39.5 x 11.5 x .75)
Regular price $124.10 USDRegular priceSale price $124.10 USD -
Filter King 37.5x64.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 37.5 x 64.5 x .75)
Regular price $318.14 USDRegular priceSale price $318.14 USD -
Filter King 5.5x45x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 5.5 x 45 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 5.5x58x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 5.5 x 58 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 39.5x59.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 39.5 x 59.5 x .75)
Regular price $318.14 USDRegular priceSale price $318.14 USD -
Filter King 4x37x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 4 x 37 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 40.5x35x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 40.5 x 35 x .75)
Regular price $263.81 USDRegular priceSale price $263.81 USD