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How to make your own clean air fan
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2019Aug 2
Español    • Como hacer su propio filtro de aire limpio   | 한국어    • 제목: 개인용 공기정화 장치   | Tiếng Việt    • Cách làm máy quạt lọc khí sạch   | ASL    • How to make your own clean air fan (ASL)   Learn how to make your own clean air fan. This low-cost, easy do-it-yourself fan-filter combination can clean the air in a small room. The filter can reduce tiny, harmful particles in bad air – like wildfire smoke, wood smoke, dust, vehicle exhaust, and pesticide spray. What you need: • 20-inch box fan, with the power switch on top or front • 20-inch x 20-inch x 1-inch furnace filter, MERV rating 11-14 • Bungee cord Use it in a small room, with the windows and doors closed. Don’t put it in an open window because it will bring in more dirty air. Turn off the fan when you’re not home. The filter MAY make the motor work harder and get hot. Check current air quality near you: https://ecology.wa.gov/AirQualityWA

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Washington Department of Ecology

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