UL Farm and Consumer Nozzle with Safety Valve. Micro-touch valve provides smooth operation and exceptional flow control. Pure PTFE stem packing eliminates leaks. Heavy duty, strong, secure hook makes it easy to hang the nozzle on the pump. Roto-matic latch pin provides positive auto shut-off. Smart guard Snap-On scuff guard, yellow. Super tough nylon rear back clip. No pressure, no flow" (NPNF) safety valve prevents the trigger from being held open if pressure is not present.