The L model range got its name from the Latin word Lux (Light). You should definitely appreciate the mirror-smooth door surface! Architects love to use these doors as a design feature. The lustrous look of the piano lacquer is the result of an innovative cooperation between Renolit and PROFILDOORS. This technology has been developed over the years and has no analogues in the world. Despite its high finish, the surface is less susceptible to damage than lacquer coating. We are sure you will be delighted. This is a real deal for your home.