The Pond Pump 420 allows for efficient water movement in multiple pond zones for ponds up to 420 gallons.This pump is capable of creating water displays up to 11.5 ft.Quiet, energy efficient pump saves power while circulating pond water.Adjustable flow control fine-tunes the flow rate and pumping height.Grounding plate provides unparalleled protection against electrical hazards in your pond.Epoxy encapsulation allows for full submersion of the pump.Utilizes premium ceramic shaft and bearings for maximum efficiency and durability