The Ez-Pz Runoff Pump Kit contains a powerful, durable, oil-free pump that is capable of being used by both home growers and commercial cultivators. Designed to help cultivators capture runoff and also help redirect it to one central drain system. With a 2" automatic built-in Float Valve, the Ez-Pz Runoff Pump Kit wastes no electricity and will turn on and off once the water level in the container has reached 2" in height. Automate your drainage system to save time and money!