Abbott Rubber 5/16" IDx1/2" ODx100' Clear PVC Tubing. Manufactured with non-toxic FDA compounds, this tubing is suitable for flexible lines for low pressure air, water, liquids, beverages, chemicals, and gases. It also serves as a drain line for air conditioners and dehumidifiers. With excellent resistance to mild acids and chemicals, its see-through design allows for visual flow. Not for use with ice makers or petroleum-based products. It can be used as a flexible drain line and with hose barbs and clamps. It has a temperature range of 25 to 150 degrees Fahrenheit and a working pressure of 55 PSI at 70 degrees Fahrenheit. The tubing is marked every foot for easy measuring and cutting and comes in a dispenser box.