Dutch Lighting Innovations JOULE-Series 1000W Double Ended Fixture, 120/240VDutch Lighting Innovations presents the JOULE series 1000w DE system. This proprietary engineered design has reset the bar for indoor production specifically. The engineering principles behind the DLI Open Reflector are a culmination of over a decade of research and development. The team works with a ranging group of some of the best horticulturists around the globe; each who specialise in plant and varietal specific production processes for the