400W Osram Powerstar HQI-E 400/D CoatedElliptical Quartz Metal Halide400 Watt, E40 GES Cap, CCT 5300K on SON gear and 5500K on MH gearExcellent colour rendering Group 1AUse in enclosed luminaires only
400W Osram Powerstar HQI-E 400/N ClearElliptical Quartz Metal Halide400 Watt, E40 GES Cap, CCT 4000K on SON gear and 4600K on MH gearColour rendering Group 2BUse in enclosed luminaires only
400W Osram Powerstar HQI-E 400/N CoatedElliptical Quartz Metal Halide400 Watt, E40 GES Cap, CCT 3800K on SON gear and 4400K on MH gearColour rendering Group 2BUse in enclosed luminaires only
400W Osram Powerstar HQI-E/P 400/D CoatedElliptical Quartz Metal Halide400 Watt, E40 GES Cap, CCT 4700K on SON gear and 5200K on MH gearExcellent colour rendering Group 1AFor use in open luminaires
400W Osram Powerstar HQI-E NSIElliptical Quartz Metal Halide400 WattE40 GES CapIdeal for downlights in factories and warehouses