The 24" Flat 4-Way Multi-Outlet Dripper assembly is a complete system to irrigate four containers, or four locations within the root zone of the same container, with a single Netafim PCJ Nipple Outlet Dripper. Each container gets 1/2 GPH. It comes with a 4-Way Multi-Outlet Manifold, four 24" lengths of Super-Flex Tubing and four Arrow Drippers, all assembled. Simply press the manifold onto a 2 GPH Nipple Outlet Netafim PCJ Emitter, place the Arrow Drippers into two containers and you're ready to irrigate.