Automatic 55 psi (3 bar) pressure control with a flow capacity of 95-225 gpm (360-850 l/min). Includes flush without shutting down, patented slide-type valve for turbulence-free flow control, six detent flow positions, molded rubber teeth for full-fill "power fog", and "Gasket Grabber" inlet screen. Lightweight hardcoat anodized aluminum materials for maximum resistance to corrosion and wear. 1.5" NH (38mm) rocker lug swivel coupling is standard.