The 3/8" PGY 0-125 GAUGE by WATTS FLUIDAIR is a precision instrument designed for accurate pressure measurement in various fluid systems. With a pressure range of 0-125 PSI, this gauge is ideal for both commercial and residential applications. Its durable construction ensures reliability, while the clear dial provides easy readability. The gauge meets industry standards, making it a trusted choice for professionals. Compact and easy to install, it is perfect for HVAC systems, plumbing, and other fluid management applications.