The Hose Monster Company make’s the world’s best equipment for flow testing water-based fire protection systems. No other equipment available is as accurate, easy to use, and reliable as Hose Monster. Our FM Approved line of flow rate measurement devices will accurately and efficiently measure the water supply available to your fire protection system in the event of a fire. Will you have enough water at the right place and right time when you need it the most? Know now with Hose Monster.