Best Box Fan Cfm Comparison

Hubbell-Raco 936 Ceiling Fan Box and Support

SunStream 6 inch Duct Booster Fan 240 CFM, Extreme Low Noise For Vents Grow Tents Basements

Exhaust Shutter Fan 500m³/h(300 CFM) Ø 200mm, 2 Direction Reversible Strong Airflow Wall Mounted Vent Fans, Ventilation Blower for Bathroom Attic Window Basement (8 inch / 220V)

GDSTIME Dual 120mm 5V USB Fans, 102CFM Big Airflow Fan Cooling for Router TV Box Micro Computer and Other Electronics

DIMPLEX 50 cm Box Fan - Black Finish (DCBOX50MB)

Honeywell TurboForce Turbo Fan - Blue Design (Low Noise Cooling, Adjustable Tilt Angle up to 90 , 3 Speed Settings, Wall Mounting, Table Fan) HT900NE4

Honeywell TurboForce Power Fan (Quiet Operation Cooling, 90° Variable Tilt, 3 Speed Settings, Wall Mount Feature, Table Fan) HT900E

SEEKR Bora, 748CAWBX, Compact 3-Speed Direct Wire Cabin Fan, 100/130 CFM, 12V,White

HOLMES 9" Twin Digital Window Fan

AC Infinity MULTIFAN S7, Quiet Dual 120mm USB Fan, UL-Certified for Receiver DVR Playstation Xbox Computer Cabinet Cooling