The 2-1/2" Liquid Filled Pressure Gauge features a 0-30 psi range and a back mount 1/4" NPT connection. This gauge is perfect for low-pressure applications, providing accurate readings in environments where precision is critical. The liquid-filled design enhances stability and readability, making it suitable for various industrial uses. Constructed with high-quality materials, it meets relevant industry standards, ensuring durability and reliability. Ideal for monitoring pressure in HVAC systems, water systems, and other low-pressure applications.