Set the desired flow rate with the Series VFF Visi-Float® Flowsetter Flowmeter. Used to indicate or manually control water flow, the solid acrylic construction allows complete visual inspection of the unit. Meters can be easily installed in any position and operation and maintenance is very simple. Designed for use at pressures up to 100 psi (690 kPa) and temperatures up to 150°F (85°C), this unit can be used to control water flow in various applications.