Spare part for all lamps of the PH 3/2 series The Danish lighting manufacturer Louis Poulsen, founded in 1874, creates products that represent the duality of design and light. Every detail of a design serves a specific purpose. Every design begins and ends with light. Louis Poulsen offers a wide range of indoor and outdoor lighting options, covering both professional and residential use. In close collaboration with designers and architects such as Poul Henningsen, Arne Jacobsen, Verner Panton, Øivind Slaatto, Alfred Homann, Clara von Zweigbergk, nendo – Oki Sato and GamFratesi, Louis Poulsen has established itself as one of the most important global suppliers of architectural and decorative lighting.