Graco DB2666 Husky 1590 PP 1-1/2 in. (38.1 mm) NPT Standard Pump, AL Center Section, SP Seats, SP Balls & SP Diaphragm

Graco DBC555 Husky 1590 AL 1-1/2 in. (38.1 mm) BSP Standard Pump, AL Center Section, TPE Seats, TPE Balls & TPE Diaphragm