★ 100% new and high quality material. ★ Can be connected with 3/4" Hose ID ★ Can be easily connected with tubing hose line. ★ Smooth surface and inner wall, durable Light and Small. Exquisite craftsman makes it safe and reliable. ★ Wide range of use: Suitable for applications in pharmaceutical,fooand beverage,laboratory,chemical processing and handing,and printing and labeling. A small piece of non-toxic plastic that allow you connect 3 or more air tubing.