This set is specially suited for lighting very large saunas. The sauna size is 5-10 m². The fibres of the set are glass and tolerate temperatures of over 200 °C (can be installed in the sauna ceiling).
The fibre size is ø 3 mm, that of the heavier stove fibre ø 6 mm. The ends of smaller fibres have an M5 end fitting and the stove fibre an M8 end fitting, to which various options and optical devices can be connected.