The nozzle distributes the extinguishing agent in the extinguishing zone in which it is installed.
BUJ-G3/8-F-C and BUJ-G3/8-C variants have a cap which protects them from dirt. They can therefore be installed in dusty and/or dirty areas.
BUJ-G3/8-F-C and BUJ-G3/8-F variants have a filter which is required for nozzle drillings smaller than 3 mm.