The 15 lb 4" Face Gas Test Gauge Assembly by Braxton Harris is essential for accurate gas pressure measurement. Featuring a 3/4" FIP connection, this gauge is compatible with various gas systems, ensuring reliable performance. The 4" face provides clear visibility of pressure readings, while the 15 lb capacity allows for a wide range of applications. Constructed with durable materials, this gauge is designed to withstand harsh conditions, making it suitable for both residential and commercial use. Adhering to industry standards, it guarantees safety and precision in gas testing.