The 300 lb. Water Test Gauge by Braxton Harris is a precision instrument designed for testing water pressure in plumbing systems. With a robust construction, this gauge can withstand pressures up to 300 psi, making it suitable for a variety of applications. The clear dial provides easy readability, ensuring accurate pressure readings during testing. This gauge is essential for ensuring the integrity of plumbing systems, helping to identify leaks and pressure issues. It meets industry standards for accuracy and reliability, making it a valuable tool for plumbers and contractors.