The 300 lb. Water Test Gauge with indicator is an essential tool for testing water pressure in plumbing systems. This gauge features a clear display with 5 lb. increments, allowing for precise readings. Constructed from durable materials, it is designed to withstand high pressure and provide accurate measurements. Ideal for both residential and commercial applications, this water test gauge is compatible with standard plumbing connections, making it a versatile choice for professionals and DIY enthusiasts alike.