The 4" Liquid Filled Pressure Gauge with a range of 0-400 psi from MIDWEST CONTROL is designed for accurate pressure measurement in various applications. This gauge features a flanged 1/4" NPT connection, ensuring compatibility with standard piping systems. The liquid-filled design reduces vibration and enhances readability, making it ideal for industrial environments. Constructed from durable materials, it is resistant to corrosion and wear, ensuring long-lasting performance. This pressure gauge is perfect for monitoring pressure in hydraulic and pneumatic systems.