Air delivery CFM - high: 4700， medium: 4000， low: 3400

With a heavy-duty 3-Speed - 1/3 HP thermally protected PSC motor making it the most powerful drum fan on the market

Direct drive fan dimension - high-velocity 3 speed portable fan is of opening size 29 in. x 10 in. x 31 in.

Has 2 convenient handles on the top for portability， nonskid positioning legs with castors， aluminum blades， 3-speed setting rotary switch on the back housing

OSHA compliant rust-resistant grille， extra long 8 ft. power cord

3-speed heavy duty thermally protected 120-Volt， 60 Hz， PSC motor

All drum fan products has quality motor

Main color: yellow

Main material: metal

Notice: manual measurement has been used， there may be some reasonable error， items may slightly differ from photos in terms of color due to the lighting or your monitor's display

Package includes: 2 drum fans