![Amazon.com: Hurricane Box Fan - 20 Inch, Classic Series, Floor Fan with 3 Energy Efficient Speed Settings, Compact Design, Lightweight - ETL Listed, White : Home & Kitchen Amazon.com: Hurricane Box Fan - 20 Inch, Classic Series, Floor Fan with 3 Energy Efficient Speed Settings, Compact Design, Lightweight - ETL Listed, White : Home & Kitchen](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/812zz4FlM8L._AC_UF894,1000_QL80_.jpg)
Amazon.com: Hurricane Box Fan - 20 Inch, Classic Series, Floor Fan with 3 Energy Efficient Speed Settings, Compact Design, Lightweight - ETL Listed, White : Home & Kitchen
![Amazon.com: Hurricane Box Fan - 20 Inch, Classic Series, Floor Fan with 3 Energy Efficient Speed Settings, Compact Design, Lightweight - ETL Listed, White : Home & Kitchen Amazon.com: Hurricane Box Fan - 20 Inch, Classic Series, Floor Fan with 3 Energy Efficient Speed Settings, Compact Design, Lightweight - ETL Listed, White : Home & Kitchen](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/71HMUHt1dML._AC_SS300_.jpg)
Amazon.com: Hurricane Box Fan - 20 Inch, Classic Series, Floor Fan with 3 Energy Efficient Speed Settings, Compact Design, Lightweight - ETL Listed, White : Home & Kitchen
![Amazon.com: Hurricane Box Fan - 20 Inch, Classic Series, Floor Fan with 3 Energy Efficient Speed Settings, Compact Design, Lightweight - ETL Listed, White : Home & Kitchen Amazon.com: Hurricane Box Fan - 20 Inch, Classic Series, Floor Fan with 3 Energy Efficient Speed Settings, Compact Design, Lightweight - ETL Listed, White : Home & Kitchen](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/71ZhyywfwdL.jpg)
Amazon.com: Hurricane Box Fan - 20 Inch, Classic Series, Floor Fan with 3 Energy Efficient Speed Settings, Compact Design, Lightweight - ETL Listed, White : Home & Kitchen
![Amazon.com: Hurricane Box Fan - 20 Inch, Classic Series, Floor Fan with 3 Energy Efficient Speed Settings, Compact Design, Lightweight - ETL Listed, White : Home & Kitchen Amazon.com: Hurricane Box Fan - 20 Inch, Classic Series, Floor Fan with 3 Energy Efficient Speed Settings, Compact Design, Lightweight - ETL Listed, White : Home & Kitchen](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/S/aplus-media/vc/f4a4db40-4ae7-4d9c-a2a7-50f8491e92d7.__CR0,0,150,300_PT0_SX150_V1___.jpg)
Amazon.com: Hurricane Box Fan - 20 Inch, Classic Series, Floor Fan with 3 Energy Efficient Speed Settings, Compact Design, Lightweight - ETL Listed, White : Home & Kitchen
![Amazon.com: Hurricane Box Fan - 20 Inch, Classic Series, Floor Fan with 3 Energy Efficient Speed Settings, Compact Design, Lightweight - ETL Listed, White : Home & Kitchen Amazon.com: Hurricane Box Fan - 20 Inch, Classic Series, Floor Fan with 3 Energy Efficient Speed Settings, Compact Design, Lightweight - ETL Listed, White : Home & Kitchen](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/71kPDC0+efL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Hurricane Box Fan - 20 Inch, Classic Series, Floor Fan with 3 Energy Efficient Speed Settings, Compact Design, Lightweight - ETL Listed, White : Home & Kitchen
![Amazon.com: Hurricane Box Fan - 20 Inch, Classic Series, Floor Fan with 3 Energy Efficient Speed Settings, Compact Design, Lightweight - ETL Listed, White : Home & Kitchen Amazon.com: Hurricane Box Fan - 20 Inch, Classic Series, Floor Fan with 3 Energy Efficient Speed Settings, Compact Design, Lightweight - ETL Listed, White : Home & Kitchen](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/71pDILs6+SL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Hurricane Box Fan - 20 Inch, Classic Series, Floor Fan with 3 Energy Efficient Speed Settings, Compact Design, Lightweight - ETL Listed, White : Home & Kitchen
![David Elfstrom on Twitter: "Important! Get the most out of your #boxfanfilter with a shroud on the outlet. Improves inlet flow & reduces power and noise. I've found optimum size for two David Elfstrom on Twitter: "Important! Get the most out of your #boxfanfilter with a shroud on the outlet. Improves inlet flow & reduces power and noise. I've found optimum size for two](https://pbs.twimg.com/media/E9CgpTIXIAgPHEE.jpg:large)
David Elfstrom on Twitter: "Important! Get the most out of your #boxfanfilter with a shroud on the outlet. Improves inlet flow & reduces power and noise. I've found optimum size for two
![Amazon.com: Hurricane Box Fan - 20 Inch, Classic Series, Floor Fan with 3 Energy Efficient Speed Settings, Compact Design, Lightweight - ETL Listed, White : Home & Kitchen Amazon.com: Hurricane Box Fan - 20 Inch, Classic Series, Floor Fan with 3 Energy Efficient Speed Settings, Compact Design, Lightweight - ETL Listed, White : Home & Kitchen](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/71tUNr6WlrL.jpg)
Amazon.com: Hurricane Box Fan - 20 Inch, Classic Series, Floor Fan with 3 Energy Efficient Speed Settings, Compact Design, Lightweight - ETL Listed, White : Home & Kitchen
![David Elfstrom on Twitter: "Materials: A 20" box fan as shown below. Some names are Utilitech, Genesis, Hurricane, For Living. The box it comes in. A 3M Filtrete MPR 1900 (MERV-13) 20x20x1. David Elfstrom on Twitter: "Materials: A 20" box fan as shown below. Some names are Utilitech, Genesis, Hurricane, For Living. The box it comes in. A 3M Filtrete MPR 1900 (MERV-13) 20x20x1.](https://pbs.twimg.com/media/E9cB-CuWEAU9bTG.jpg)