The Neptune Systems 1Link Male x Male 4 pin cable lets you directly connect your DS Fluid Metering System to a 1Link module or EnergyBar 832. By having your DS system connected through a 1Link port will let you remove the bulky power supply brick saving room and removing clutter. Features include less clutter, one cable installation of DS pump system, 10 feet long, and a 4 pin Male x Male connection.