The brass outlets have 1/2" internal thread ISO 228/1. 50 mm between the threads
Seawater resistant marine fittings from Italian Guidi always have a very high quality and finish.
Guidi marine brass is manufactured with an alloy of less zinc than ordinary brass fittings. This gives a much better durability in the harsh marine environment. UNI EN 12165 - CW617N (CuZn40Pb2)
