Prevost Manifold with 6-ports - available in 4, 6, 8 and 12 port configurations (I stock the 4-port and 6-port). Flow-through is 3/4" NPT and the ports are 1/2" NPT. Does not includes couplers (S1 safety couplers recommended) or drain. If this manifold is not being used as a "Pass-through", a 3/4>1/4 reducer bushing and 1/4" Manual drain are recommended.