This is 50 feet of Tygon ACF00002 tubing with an inner diameter of 1/16 inch. The tubing is flexible, clear PVC and is made in the USA. It has a temperature range of -60°F to 160°F. The tubing has many applications including use with air, water, beverages, food, medical devices, and more. It meets FDA, NSF, and USP Class VI standards. This tubing offers chemical resistance while maintaining flexibility.