The GRACO 25D116 GT 750 is a pneumatic grease transfer pump designed for efficient, high-volume grease dispensing from 120 lb (55 kg) pails. It is constructed with steel, brass, Buna-N, urethane, ductile iron, and aluminum wetted parts, and is intended for use in demanding environments such as lube trucks, mining, heavy-duty dealerships, fleet service facilities, and in-plant applications. Its primary function is to transfer grease up to NLGI #2 efficiently and reliably.