The BSB FD-C 250 screw in fusible link 12.5mm diameter - 72 degrees C.
These links are compatible with all the FD-C Series single blade circular fire dampers.
Located on the outside of the fire damper next to the handle.
The flat bar gate link EML is used on the 0160 advanced air fire damper.
Easy maintinence link EML brass soldered for release at 72 deg c.
Dimentions: 22mm (Wide) X 117mm (Long) x 112 center of buttons.