Manifold Sub-Base with 90┬░ Connections Naw-3/4-4E-Iso Connections aside. Conforms to Standard=Iso 5599-1, Product Weight=1550 G, Auxiliary Pilot Air Port 12/14=G1/8, Pneumatic Connection, Port 2=G3/4, Pneumatic Connection, Port 4=G3/4, Festo