The 4" Liquid Filled Pressure Gauge from MIDWEST CONTROL is designed to measure pressures from 0 to 30 psi, making it ideal for low-pressure applications. The liquid-filled design reduces vibration and enhances accuracy, providing reliable readings in various environments. With a lower mount 1/4" NPT connection, this gauge is easy to install and compatible with a range of systems. Its robust construction ensures longevity, while the clear dial face allows for easy visibility of pressure levels. This gauge meets industry standards for safety and performance.