Active Aqua Black TubingUse our sturdy black vinyl tubing, which is FDA approved and BPA free, for your irrigation systems and tanks, and to complete your own hydroponic systems. The material is easy to cut to size, but will remain strong and reliable. Choose from six different 100 foot sizes, each in a convenient dispenser pack. Keep a roll on hand for instant access to repairs. Inside Diameter Outside Diameter 1" 1. 25" 15 PSI max operating pressure at 70 degrees. *FDA