RKI 72-0012 GasWatch 3 for Oxygen (O2) Options:Wrist Band Each pack includes 4 104-563PG

Each pack includes 4 104-563PG brass ball valves with a stainless steel ball

PRM Part # SV025DHSM31S060V08110X

8-year battery

Plastic tubing is crimp-resistant and varies in bend radius (flexibility)

RKI 72-0012 GasWatch 3 for Oxygen (O2) Options:Wrist Band Each pack includes 4 104-563PGRKI 72 0012 GasWatch 3 for O2 Galvanic Sensor The GasWatch 3 is the worlds smallest and lightest single gas monitor. Weighing just 1. 6 ounces, its compact form affords great comfort and flexibility in how you choose to wear it. It can be worn on your wrist as a watch, or clipped into your breathing zone on your lapel, hard hat or other safety equipment with its alligator clip. A small, field replaceable, coin type lithium ion battery gives the