Master Plumber, 1" ID x 1-1/4" OD x 30", Clear, Vinyl PVC Tubing, Can Be Used For Beverage Dispensing, Potable Water, Laboratory Tubing, Drain Lines, Water Transfer & Numerous Low Pressure Applications, In Compliance With FDA CFR Title 21 Requirements & Meets USDA, 3A & NSF51 Criteria, 25 Working Pressure @ 70°ree. Fahrenheit, Patented Open Box Spools.