Radium Dry Break, 1.5In, Female, VentedRadium Dry Break 1. 5in, Female, Vented (20 0549 V) Radium Engineering dry breaks allow quick, mess free fuel filling in motorsport and track day environments. The female dry break receiver installs on the vehicles fuel filler, while the male dry break probe connects to a dump can fuel jug. When the two couplings mesh together, both valve seals open and close with synchronised timing permitting zero fuel leaks during the fill process. The vented