The Watts Fluidair R119-03CGKX3 is a 3/8" pressure regulator with a gauge, designed to maintain a pressure of 0-125 PSI. This model is ideal for applications requiring precise pressure monitoring and control. Constructed from durable materials, it ensures long-lasting performance in various fluid systems. The integrated gauge provides real-time pressure readings, enhancing operational efficiency. This regulator meets industry standards for safety and performance, making it suitable for both industrial and commercial applications.