The Airmaster® air circulators are available in a 30" or 36" blade diameter and include four mounting options (ceiling, wheeled portable, wall, and hanging) for providing directed air circulation.They have 3-speeds, 115V, single phase, 1/4 hp, permanently lubricated, totally enclosed ball bearing motors. The enclosure, guards, and mounts are epoxy coated steel for corrosion resistance. The blade assembly, consisting of a steel hub and spider, holds the fan head's three aluminum paddles, which are enclosed by front and rear wire guards for safety. The wall mount can be positioned horizontally or vertically for precise direction of air flow. The motor of the workstation fan is totally enclosed, making it suitable for use in conditions that standard, unenclosed motors are not, such as in the presence of hazardous dust or other airborne debris. A 12' safety cable (included) protects the circulator from falling in case it is hit during operations. This wall-mount circulator is Underwriters Laboratories (UL) Listed for quality assurance and is suitable for directed air circulation, such as for a workstation.