- New
50PX3C1 is a white PEX (cross-linked polyethylene) tubing manufactured by LaSalle Bristol for RV fresh water systems and other compatible potable water applications. It features a 1/2" inside diameter, 5/8" outside diameter, and a 100 ft length. Designed for dependable water distribution, it provides a durable solution for new installations or replacement of compatible RV plumbing lines.