Graco DB3525 Husky 1590 AL 1-1/2 in. (38.1 mm) NPT Standard Pump, AL Center Section, TPE Seats, AC Balls & TPE Diaphragm

The Husky 1590 air-operated diaphragm pump features a patented, high-reliability closed center air valve that is online serviceable and an epoxy-coated air section for tough environmental conditions.