Collection: Allergy Air Filters
Allergy air filters capture pollen, dust, and allergens to help reduce allergy symptoms and improve indoor air quality.
Shop high-performance filters for cleaner air and everyday relief.
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Filter King 9x43x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 9 x 43 x .75)
Regular price $127.23 USDRegular priceSale price $127.23 USD -
Filter King 5.5x39x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 5.5 x 39 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 38.5x63.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 38.5 x 63.5 x .75)
Regular price $318.14 USDRegular priceSale price $318.14 USD -
Filter King 4.5x42x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 4.5 x 42 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 8.5x62.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 8.5 x 62.5 x .75)
Regular price $142.08 USDRegular priceSale price $142.08 USD -
Filter King 9x52x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 9 x 52 x .75)
Regular price $127.81 USDRegular priceSale price $127.81 USD -
Filter King 38x45.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 38 x 45.5 x .75)
Regular price $271.55 USDRegular priceSale price $271.55 USD -
Filter King 36.5x41x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 36.5 x 41 x .75)
Regular price $263.81 USDRegular priceSale price $263.81 USD -
Filter King 38.5x38.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 38.5 x 38.5 x .75)
Regular price $302.02 USDRegular priceSale price $302.02 USD -
Filter King 36x50.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 36 x 50.5 x .75)
Regular price $294.85 USDRegular priceSale price $294.85 USD -
Filter King 36.5x34.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 36.5 x 34.5 x .75)
Regular price $256.06 USDRegular priceSale price $256.06 USD -
Filter King 39.5x57.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 39.5 x 57.5 x .75)
Regular price $318.14 USDRegular priceSale price $318.14 USD -
Filter King 39x48.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 39 x 48.5 x .75)
Regular price $294.85 USDRegular priceSale price $294.85 USD -
Filter King 40.5x44x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 40.5 x 44 x .75)
Regular price $271.55 USDRegular priceSale price $271.55 USD -
Filter King 39.5x36.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 39.5 x 36.5 x .75)
Regular price $263.81 USDRegular priceSale price $263.81 USD -
Filter King 7.5x46.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 7.5 x 46.5 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD