The Coltri Filling Connections (Not for Lever Filling Panels) has the following options
Options:
DRV300 - DRV 300 Bar
DRV232 - DRV 232 Bar
DRV300/MANOM - DRV 300 Bar with Pressure Gauge
DRV232/MANOM - DRV 232 Bar with Pressure Gauge
RE100350 - DIN / INT