Double Window Sight Flow Indicator is available with glass tube made of Toughened Glass, Gasket, PTFE, Glass or Carbon PTFE etc. The Sight Flow Indicator is used for measuring the level of liquid in various industrial processes. Flow Scientific India manufactures Double Window Sight Flow Indicator. Flow Scientific India offers a wide range of Control Instruments, Glass Tube Rotameter, Acrylic Rotameter, Level Gauges, Level Indicators, Sight Glass, Manometer, Reflex Level Gauge, Reflex Level Indicator, Rotameter Glass Tubes and Toughened Glass. The Double Window Sight Flow Indicator comes in a variety of sizes ranging from 15 mm to 200 mm.