Single-light bulb W21W Original Line by OSRAM, designed for turn signals, brake lights, rear fog lights, reversing lights and daytime cars and delivery vans. OSRAM is a market leader in research into new lighting solutions. Their technologies are economical, efficient, durable and refined in every respect. Thanks to this, they constantly contribute to improving the safety and comfort of road users around the world. The company cares about the environment, bulbs are produced in a sustainable and possibly ecological way. All products meet the stringent requirements of car manufacturers in terms of quality, which is why they exceed the standard European requirements.