Multi-Port Emitters Models Model: MPE-05 Flow: 0.5 (GPH) Model: MPE-10 Flow: 1.0 (GPH) Model: MPE-20 Flow: 2.0 (GPH) Model: MPE-40 Flow: 4.0 (GPH) Multi-Port Manifold Model: (MPM-050) Unrestricted flow through outlets as indicated by gray color. Use with 1/4" distribution tubing and a barbed emitter at the end (Available in 1/2" FPT). Allows water to be directed to as many as six different locations. Emitter Caps Model: (MPE-CAPS)Plugs unused 1/4" barbed emitter outlets. Use with Hunter Multi-Port Emitters.