Magnetic drive pumps are made to run continuously, without seals to wear out. Highly energy efficient, helping you save money on your electric bills. Being filled with epoxy, not oil, they cannot leak oil into the pond. All pumps are suitable for statuary, fountains, ponds, and/or aquariums. UL listed to U.S. and Canadian safety standards. All Pond Mag Pumps come with an 18' power cord. And can be used in-line or submerged.