BrassCraft PEX Water Stops from its G2 Series are available for crimp barb, cold expansion and push connect installations. Stops are a machined one-piece body for durability and long lasting performance.  The positive 1/4 turn one-piece shutoff mechanism provides smooth on-off operation without freeze-ups, the company says. Push connect stops are installation ready. The water stops are available in a wide variety of configurations for faucet, toilet and icemaker installations. All stops are 100% leak tested and designed, machined and assembled in the USA. BrassCraft.