Accuflex Bevlex 200 Series Clear PVC Tubing - 3/16" ID x 500 ft.Accuflex Bevlex 200 Series is the industry standard for draught beer lines and Bag In Box (BIB) syrup distribution. Featuring a 3 16" internal diameter and a thick 7 16" OD, it provides the perfect amount of resistance (approx. 3 PSI per foot) to balance your draught system for a foam free pour. The crystal clear construction allows for immediate visual inspection of flow and sanitation. This massive 500 foot bulk spool is the most economical choice