Some toilets require heavy-duty wall luminaires that can withstand knocks and prove difficult to remove, e.g. in prisons, camp sites, schools, etc.Sarlam has designed vandal-proof fluorescent wall luminaires precisely for such purposes : Prismaline comes housed in a white, coated-steel casing throuh which extends only the opal diffuseur and, when fitted, the switch and plug. Prelium Bandeau with captiv screws.