PEX QickCap crimp rings from Zurn Industries feature a positioning end cap for connections in plumbing and radiant heating applications. The ASTM F1807 fitting system delivers a 360-degree seal for leak-free connections. Suitable for commercial and residential plumbing, the rings are available in 1/2-, 3/4-, 1-, 1 1/4-, 1 1/2- and 2-inch sizes. 814/875-1252; www.zurn.com.