5/16" Clear PVC Tubing 50' | Sierra 116-150-0566 5/16 in. Clear PVC Tubing 50 ft. box Shields clear PVC tubing has a single layer FDA formula vinyl Primarily used for non-pressurized potable water system supply and drain lines (sink, shower, icebox) Not for use in hot water or pressurized water systems Replaces MPI 150-0560 Replaces Westerbeke 24637