The GRACO Husky 1050 (1" NPT) S/S Pump is an air-operated double diaphragm pump designed for industrial fluid transfer. It features a stainless steel pump body, aluminum center section, acetal seats, PTFE balls, and a PTFE/Santoprene diaphragm. This pump is engineered for reliable transfer of water, antifreeze, and fuel in demanding environments.