The Flow Meter Valve Insert for 1-1/4" Stainless Steel Manifold by Mueller Streamline is engineered for accuracy in fluid measurement. This insert accommodates flow rates from 0 to 1.5 US gallons per minute, making it suitable for various applications. The lock nut design ensures secure installation and compatibility with existing systems. Crafted from durable materials, it provides reliable performance and longevity. Ideal for use in both residential and commercial settings, this insert meets industry standards for quality and efficiency.