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 ) brass and are . NSF (National Sanitation Foundation) approved. WARNING: This product can expose you to chemicals including lead which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov. - Lead