Best 20 Box Fan

iPower 20 Inch Shutter Exhaust Fan for Attic, High Speed Ventilation Fan for Barn Shed and Greenhouse, 1190 RPM, 3368 CFM, Silver

Honeywell HT900C 7" TurboForce® POWER+ Desk/Table Fan, Air Circulator for Small Bedroom, Portable, Wall Mountable, Energy Saving, 3 Speeds, Black

Comfort Zone Twin Window Fan with Quiet Setting, Reversible Airflow Control, 9 inch, 3-Speeds, Expandable, Exhaust, Dual Fan, Airflow 9.84 ft/sec, Ideal for Home, Kitchen, Bedroom & Office, CZ319WT2

Comfort Zone Box Fan with Carry Handle, 20 inch, 3 Speed Full-Force Air Circulation with Air Conditioner, Floor Fan, Bedroom Fan, Airflow 15.03 ft/sec, Ideal for Home, Bedroom & Office, CZ200A

HG Power 8 Inch Kitchen Exhaust Fan, 576CFM Stainless Steel Bathroom Exhaust Fan, Wall Mounted Garage Ventilation Fan, Basement Extractor Fan with Backdraft Damper for Home Office Commercial Use

iLIVING 20 Inch 5800 CFM High Velocity Heavy Duty Metal Floor Wall Fan, For Office, Commercial, Workstation, Greenhouse, Garage, Shop Attic Use, Black, UL Listed

Simple Deluxe 12 Inch 3-Speed High Velocity Heavy Duty Metal Industrial Floor Fans Quiet for Home, Commercial, Residential, and Greenhouse Use, Outdoor/Indoor, Black

Hurricane Pro 20" High Velocity Metal Box Fan – Powerful 5300 CFM Airflow, Adjustable Tilt, Heavy-Duty Construction for Home, Gym, Garage, Workshop

AirFanta 3Pro, Air purifer for house up to 300m², CADR super large 730m³/h, collapsible, can be packed into a 20" carry-on luggage for travelling. Highly effective and portable.

Black & Decker 9 in. Frameless Tabletop Box Fan, White