VEVOR Wall Mount Fan, 18 Inch, 3-speed High Velocity Max. 4000 CFM Oscillating Industrial Wall Fan, Commercial or Residential for Warehouse, Greenhouse, Workshop, Patio, Basement, Black, ETL Listed VEVOR Wall Mount Fan, 18 Inch, 3-speed High Velocity Max. 4000 CFM Oscillating Industrial Wall Fan, Commercial or Residential for Warehouse, Greenhouse, Workshop, Patio, Basement, Black, ETL ListedInstall Metal BaseInstall The BracketFix The Fan BodyWide Area Air SupplyPowerful MotorLong Run TimeNoise Level: ?55 dB,Speed: 1500 RPM,Air Speed: 23 ft/s (7 m/s),Air Volume: 3000/3550/4000 CFM,Cord Length: 6 ft / 1.8 m,Voltage: AC 115 V / 60 Hz,Model: VV-BGSFS18,Fan Blades Diameter: 17.5 inch / 44.45 cm,Cover Area: 30 ft / 9 m,Material: All Metal,Power: 73 W,Weight: 10 lbs / 4.6 kgSpecifications:- Length: 53.0 in, Width: 27.0 in, Height: 54.0 in (description exceeds maximum possible length)