Viega 77327 1" Lead Free Copper Elbow. These 1" Lead Free Elbows are a simple and easy way to get copper tubing where you need it, rather its a tight space that's hard to get to, or a just a simple install or repair. These 90's feature ProPress ends making them ideal for quick and efficient connections. Some of the improved features of using ProPress include colored dots on each fitting, a quick and efficient way to see if the fitting has been correctly pressed, a manufacturing warranty, and cleaner more convenient connection that's 75% labor saving. ProPress requires one tool, no flame, and has a worldwide credibility of quality.