Navigator 71608 model NLH-BL-W2-E27 electric boss, flat for E27 lamps, the classic carbolite cartridge model designed for the installation of the ceiling (Potolok). Carolite material shows high resilience against heat and impact, which is ideal for use in both household and technical facilities. With a simple and functional structure, it is widely used in the construction of lighting systems in these cartridges, houses, basements, garages and other closed spaces. Thanks to the flat mounting surface, the lamp provides vertical use and is suitable for longevity.