1 1/4” ID x 1 3/4” OD Master Plumber Clear PVC Tubing reinforced with spiral polyester for use in pressure applications. Manufactured with Non-Toxic FDA compounds. Use for flexible lines for air, water, liquids, beverages, and gases as well as drain lines for air conditioners and dehumidifiers where higher pressure or tubing wall stability is required. Excellent resistance to mild acids and chemicals. See through design allows for visual flow. Not for use with Ice Makers or petroleum based products. For use with hose barbs and clamps. Temperature Range 25 to 150 degrees Fahrenheit. Working pressure 100psi at 70 degrees Fahrenheit. Master Plumber Dispenser Box Carton contains 50 feet of tubing. Tubing is marked every foot for easy measuring and cutting. Made in North America.