5/8" ID x 3/4" OD x 100', Clear, PVC Tubing, Manufactured With Non-Toxic FDA Compounds, Can Be Used For Flexible Lines For Low Pressure Air, Water, Liquids, Beverages, Chemicals Gases As Well As Drain Lines For Air Conditioners Dehumidifiers, Excellent Resistance To Mild Acids Chemicals, See Through Design Allows For Visual Flow, Not For Use With Ice Makers Or Petroleum Based Products, For Use With Hose Barbs Clamps, Temperature Range 25 To 150 Degrees Fahrenheit, Working Pressure 40 PSI At 70 Degrees Fahrenheit, Tubing Is Marked Every Foot For Easy Measuring Cutting.