Active Aqua 1/4" OD Clear Tubing 100'Use our sturdy clear 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. Keep a roll on hand for instant access to repairs. Inside Diameter Outside Diameter . 17" . 25" 45 PSI max operating pressure at 70 degrees. *FDA approved and Food safe