Manifold Sub-Base Nav-1/4-1C-Iso with Port Pattern As Per Din Iso 5599/1, for Manifold Assembly, Connections Underneath. Conforms to Standard=Iso 5599-1, Product Weight=240 G, Auxiliary Pilot Air Port 12/14=G1/8, Pneumatic Connection, Port 2=G1/4, Pneumatic Connection, Port 4=G1/4, Festo