The Radium remote-mount straight fill neck features a 1.5-inch barb and a 6-bolt flange for use with 1.5" ID fill hose on Radium Fuel Cell Surge Tank systems. It includes an integrated check valve flapper and is specified as incompatible with Radium FCST-X models, so confirm system compatibility before installation.
Radium Engineering Remote Mount Fill Neck - Straight - 1.5in Barb