Teardrop luminaire is specially designed for the lighting of clean rooms with laminar air flow. Typical field of application is semiconductor manufacturing, pharmaceutical industry, biotech, medical devices, optics and similiar. It exists in two versions: with degree of protection IP40 or IP54. The luminaire is fitted with an aerodynamically shaped, snap-in diffuser with smooth surface. The extruded diffuser is made of satinated PMMA with internal linear prisms. This energy efficient luminaire is designed for single mounting as an individual unit, although through wiring is possible.