Products in this group are used for indoor lighting, usually passes in factories and buildings (halls), smaller offices, utility rooms (kitchen) and the like. They are available in three different lengths (600 mm, 1200 mm and 1500 mm) and, depending on the customer’s wishes, delivered separately, or with casing that are set during installation. All products in the group have a large angle of illumination (120 degrees), they are light (weight about 500 g), have provided a surplus of long service (at least 50 000 hours) and are practically unbreakable.