1/4" F x 1/4" M Ball Valve
1/4" female x 1/4" male British Standard Pipe. Found in some models of Bezzera, BFC, Conti, Expobar, Fiorenzato (C.S.), Gaggia, Grimac, Nuova Simonelli, La Pavoni, Reneka, Royal, SAB Italia, Saeco, La Scala, La Spaziale and Victoria Arduino. They will NOT fit all La San Marco as listed in some diagrams, because of the small ferrules on San Marco pipe ends.