Push-to-connect PEX fitting for faster installation compared to traditional PEX rough-in plumbing methods. Requires no special tools, crimp/clamp/PEX rings, increasing productivity. Securely and permanently connect two pieces of PEX pipe together. Can be rotated after connected and is ideal for working in tight spaces. Green visual indicator lets you know when PEX tubing is inserted to the proper depth and reduces the risk of installation errors.