Looking for a unique statement lighting solution for your home workspace or commercial setting This is the Calex 'Sundsvall' double glass bulb comprised of a smaller 'inner' titanium finish bulb with a surrounding 150x378mm clear shade an Edison Screw (E27) base type and a LED filament. Providing a warm and homely Very Warm White (2200 Kelvin) light output this model can be used as a standalone model or alongside a pendant shade or fitting.