Viega 78047 Propress Zero Lead Copper Coupling With Stop 1/2-Inch P X P, 10-Pack Product Description Viega ProPress has helped installers across the world reduce installation time, save money and increase reliability on the job site. Built to last, Viega fittings are heavier than Type K copper, the most robust plumbing material on the market. Viega?s patented Smart Connect feature identifies unpressed connections during testing so that they are not missed. Only Viega offers the Smart Connect feature. Meets or exceeds the most rigorous testing codes and standards in North America. From the Manufacturer Viega ProPress has helped installers across the world reduce installation time, save money and increase reliability on the job site. Built to last, Viega fittings are heavier than Type K copper, the most robust plumbing material on the market. Viega?s patented Smart Connect feature identifies unpressed connections during testing so that they are not missed. Only Viega offers the Smart Connect feature. Meets or exceeds the most rigorous testing codes and standards in North America. Connections are made in four to seven seconds and ensures a consistent, strong, reliable, watertight seal Allows installers to join wet connections, making it the fastest solution for maintenance and repair Repair and keeps installations on or ahead of schedule due to rapid installation Adaptable for any commercial, industrial or residential application, whether new or retrofit Eliminates need for tanks, hoses, thread cutters, solder and flux