3/4″ MNPT (Male National Pipe Thread) washing machine valve with 1/2″ PEX (cross-linked polyethylene) barb fitting and blue handle for cold water inlet or red handle for hot water inlet. The SharkBite barb connection system is the best option for connecting PEX tubing in water distribution systems when lower material cost is desired. Robustly constructed with DZR (dezincification resistant) brass and are corrosion resistant. NSF (National Sanitation Foundation) approved.