High Flow Dispensers fills Auto Scrubbers and other large reservoirs at 10 gallons per minute (40 liters / min.) to reduce fill time over traditional dispensers. The 607-3 features a 1/4 turn ball valve activation and vacuum breaker for backflow protection. The stainless steel cover provides durability and large area for product identification. The system needs a 3/4” water supply and 10 gpm (38L) at 40 psi (2.8 bar) water flow and pressure to operate properly.