100% new and high quality material. 【Pack of 2】Can be connected with 1/4" Hose ID & 1/2" Hose ID. Can be easily connected with tubing hose line. Smooth surface and inner wall, durable Light and Small. Exquisite craftsman makes it good and reliable. Wide range of use: Suitable for applications in pharmaceutical,fooand beverage,laboratory,chemical processing and handing,and printing and labeling.Temperature Range: -10°C to 120°C(14°F to 248°F ) PP material has a Drug Master File listing. It is radiation stable and is chemicals, water and other inorganic environments. It resists most strong mineral acids and bases; however, it is subject to attack by oxidizing agents.