Quick view Cannon Water Technology Inc. Grid Controls 1 inch M310 Flow Switch MSRP: ƒ194,90 - ƒ383,90 The Grid Controls M310 Flow Switch assembly is the best solution for monitoring liquid flows. This flow switch is used to monitor water and other liquid media. Featuring high quality durable PVV... MSRP: ƒ194,90 - ƒ383,90 Quick Add Add to Wish list