Abbott Rubber 1/2" IDx5/8" ODx100' Clear PVC Tubing. It is made with non-toxic FDA compounds and is suitable for flexible lines for low pressure air, water, liquids, beverages, chemicals, and gases. It can also be used as drain lines for air conditioners and dehumidifiers. This tubing has excellent resistance to mild acids and chemicals, and its see-through design allows for visual flow. It is not for use with ice makers or petroleum-based products. It is compatible with hose barbs and clamps. It has a temperature range of 25 to 150 degrees Fahrenheit and a working pressure of 30 PSI at 70 degrees Fahrenheit. The tubing is marked every foot for easy measuring and cutting. Comes in a dispenser box.