SharkBite® 22788A Copper 6-Port Open Manifold with 1/2" Barb, 3/4" x 3/4"SharkBite Copper Barb 6 Port Open Manifold with 1 2" barb is used to connect pex tubing (not included) in water distribution systems. Work with crimp or clamp connection methods. 3 4" x 3 4" copper barb x barb 6 port open manifold With 1 2" barb Ports is compatible with pex pipes, not included Manifold is suitable for use in water distribution systems Copper construction Work with crimp or clamp connection methods.