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Radium FCST-X direct mount fill neck and vented cap is a screw-off cap fill neck designed for direct mounting to Radium FCST-X fuel cell surge tank systems. The 3-bolt flange is compatible only with FCST-X models and the supplied cap provides a vented sealing solution for fuel cell filling and access.
Radium Engineering FCST-X 3-Bolt Direct Mount Fill Neck And Cap - Vented
