Metro 1 Nozzle 1.5" NH (38mm). Fixed gallonage nozzle with 10 flow and pressure choices. Includes flush without shutting down, patented slide-type valve for turbulence-free flow control, six detent flow positions, moulded rubber teeth for full-fill "power fog", and "Gasket Grabber" inlet screen. Lightweight hardcoat anodized aluminium for maximum resistance to corrosion and wear. 1.5" NH (38mm) full-time swivel rocker lug coupling is standard.