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The Dwyer SFI-300-1 1 Inch Bronze Body Sight Flow Indicator is a must-have tool for monitoring fluid flow in coolant tanks, hydraulic lines, oil reservoirs, and pressure vessels. This reliable and durable instrument offers threaded connections and a removable window for easy cleaning and maintenance, making it perfect for a variety of applications. Made from high-quality bronze materials, this device is designed to withstand tough industrial conditions and provide accurate readings. Its versatile design allows it to be used with gas, liquid, and mixed media, and its large 4-3/8 inch overall length makes it easy to install in tight spaces. In addition, the Buna-N seal ensures leakproof operation and longevity, while the Glass window provides a clear view of fluid levels. Use this advanced tool to maintain optimal system performance, prevent overheating or pressure build-up, and keep your equipment running smoothly.