Laboratory high speed dissolver by indco, model hsd 15a. Features all pneumatic operation, 7" diameter "style a" dissolver blade on 1" ss shaft rasing to 15" clearance at full height, directly driven by 1. 5 horsepower air operated motor by gast with mechanical tacometer, designed for maximum speed of 3000 rpm, joy stick style up/down mixer lift control, adjustable pail holder with chain retainer for up to 5 gallon pails, mounted on painted steel channel base and frame. See video on our you tube channel at https://youtu. Be/r_meizkr2eq