Kuri Tec Klearon 73 Series utility non-toxic clear food grade PVC tubing for general use applications. Clear PVC compound formulated with ingredients in compliance with applicable FDA and RoHS requirements. High gloss clear appearance with glass smooth interior to reduce sediment buildup. FDA compliant, non-toxic PVC compound. Self-extinguishing. Compound hardness 73 +/-3 Shore "A". Applications: air conditioning drainage, refrigeration drainage, air lines, printing press equipment, high efficiency furnace drainage, transfer of weak chemicals and acids. Working pressure: 35 psi at 70 degrees F. Compliance: FDA, RoHS.