The Arrow Mixing Products Model G Air Mixer is the perfect choice for industries operating in potentially explosive atmospheres, where electrical sparks could pose risks. Its air-driven design eliminates the danger of electrical accidents, making it ideal for use in chemical plants, paint shops, and other hazardous areas. Additionally, its powerful air motor and adjustable controls offer unmatched mixing efficiency and versatility, accommodating a wide range of materials and viscosities. This 1/3HP Gear-Driven mixer can operate at speeds of 100-1,200 RPM's. The Model G comes standard with a 3/8" dia x 12" propeller shaft, 2-1/2"dia 4 Blade propeller & aluminum coupling.