The Watts Fluidair 0-30"HG Nitrile Nonrelieving S is a precision gauge designed for accurate measurement of vacuum pressure. Constructed with durable nitrile material, this gauge ensures longevity and reliability in various applications. With a measurement range of 0 to 30 inches of mercury, it is ideal for HVAC systems, laboratory settings, and industrial processes. The gauge features a non-relieving design, making it suitable for applications where pressure relief is not required. Its compact size allows for easy installation in tight spaces, and it complies with industry standards for safety and performance.