The MARSH 0-400 AA Gauge by Squibb Taylor is engineered for high-performance pressure measurement. With a range of 0 to 400 psi, this gauge is perfect for industrial applications requiring precise monitoring. The 2-1/2 inch dial provides clear visibility, while the durable construction ensures longevity. This gauge is compliant with industry standards, making it suitable for HVAC systems, manufacturing processes, and laboratory use. It features a 1/4 inch NPT connection for straightforward installation and integration into existing systems.