Studies show that one spray without a nozzle wastes up 360 gallons in 15 minutes. Pro-S Spray with Stop Flow™ helps to prevent water waste. If the nozzle is damaged or removed, water flow immediately stops. Water flow returns when a new Pro-S Spray nozzle with filter basket is inserted.

https://www.krain.com/pro-s-2-3-4-6-a...