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Radium Engineering's FCST-X Complete Refueling Kit for FCST-X fuel cells provides a direct-mounted fill neck with a screw-off cap, an 8AN vent line and a standard fill dump can. Built specifically for Radium FCST-X equipped cells, the kit supplies the core hardware needed for direct-mount refueling and venting without modifying the cell itself.
Radium Engineering FCST-X Complete Refueling Kit - Direct Mount Standard Fill
