The 2-1/2" 15PSI X 30" Compound Gauge 001842 from Process Equipment Company is designed for dual pressure measurement, offering both positive and negative pressure readings. With a 1/4" NPT connection, this gauge is easy to integrate into various systems. Its liquid-filled design enhances stability and readability, making it ideal for applications in HVAC, refrigeration, and other industrial settings. The durable construction ensures longevity, while the clear dial allows for quick and accurate readings. This compound gauge is essential for professionals needing reliable pressure monitoring.