The material used ensures that the O-ring is durable and long-lasting

Easy-to-service air valve and ball checks

Quick adjustment and indicator for repeatable spray setting

Bypass: 1/4" FPT

Graco D53311 Husky 716 AL Air Operated Double Diaphragm Metal Pump with NPT Standard Air Valve, SS Seat, PTFE Ball, & PTFE Diaphragm pressurewasherhose The material used ensures thatThe Husky 716 air operated diaphragm pump features an external controller for remote control capabilities. Center and end porting No mechanical seals which causes fluid leaks or failures Runs quietly at less than 85 dBa with easy to use remote muffler capability for even lower noise levels Easy to service air valve and ball checks 3 4 in (19. 05 mm) center and end porting No seals to leak or fail Quiet running less than 85 dBa with easy to use remote