Air Filtration

Improve indoor air quality with filters, purifiers, and filtration systems.

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236 products

BestAir A35 Series Water Pad, Metal, 13 in L x 10 in W Dimensions
BestAir H55-C Wick Filter, 9-1/4 in L, 1-5/8 in W, White
AIRCARE 7D6 100 Evaporative Humidifier, 120 V, 4-Speed, 1000 sq-ft Coverage Area, 2 gal Tank, Digital Control
BestAir 246 Water Treatment Humidifier, Liquid, Clear, Pungent, 64 oz
BestAir CB43 Wick Filter, 12-1/2 in L, 4-1/4 in W, White, For: Spacesaver 800, 8000 Series Console, EP9-500 Humidifier
BestAir HW14-PDQ-4 Series Wick Humidifier Filter, For: Honeywell HCM6009, 6011i, 6011ww, 6012i, 6013i Humidifier
BestAir EF21-5/EF1 Wick Filter, 31 in L, 7/8 in W, White
BestAir ALL-1-PDQ-5 Universal Humidifier Filter, 9.6 in L, 7.2 in W, Aluminum Filter Media
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Filtrete 2012DC-4 Air Filter, 24 in L, 24 in W, 12 MERV, 1500 MPR, For: Air Conditioner, Furnace and HVAC System (Pack of 4)
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Filtrete 2021-4 Air Filter, 24 in L, 18 in W, 12 MERV, 1500 MPR, For: Air Conditioner, Furnace and HVAC System (Pack of 4)
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Filtrete 9804-4 Air Filter, 25 in L, 14 in W, 11 MERV, 1000 MPR, Polypropylene Frame (Pack of 4)
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Filtrete UA05-4 Air Filter, 20 in L, 14 in W, 13 MERV, 1900 MPR, Polypropylene Frame (Pack of 4)
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Filtrete 2007DC-4 Air Filter, 20 in L, 10 in W, 12 MERV, 1500 MPR, For: Air Conditioner, Furnace and HVAC System (Pack of 4)
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Filtrete UT20-4 Air Filter, 12 in L, 24 in W, 13 MERV, 1900 MPR (Pack of 4)
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AAF 115201 Air Filter, 20 in L, 15 in W, Chipboard Frame (Pack of 12)
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Filtrete FPL45-2PK-24 Air Filter, 20 in L, 18 in W, 2 MERV, For: Air Conditioner, Furnace and HVAC System (Pack of 24)
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Vornado AC1-0039-43 Air Purifier, 120 V, HEPA Filter, 335 sq-ft Coverage Area, White
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Vornado AC1-0038-43 Air Purifier, HEPA Filter, 0.3 um, 220 sq-ft Coverage Area, White
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Flanders HR24240 Air Filter, 240 in L, 24 in W, 3 to 4 MERV, Frameless Frame
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Comfort-Aire BCD-20A Cube Dehumidifier without Pump, 2.1 A, 115 VAC, 230 W, 2-Speed, 20 ppd Humidity Removal