Ez-Pz Runoff Pump KitDescription 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 growers not only capture their drainage but also to redirect it to one central drain or to recirculate it for Hydroponic growing applications. With a 2" automatic built in Float Valve, the Runoff Pump wastes no electricity and will turn on and off once the water level in the