FFB0 136 LNE Slim Recessed Mounted Louver Luminaire 1x36w Housing High quality cold-rolled steel sheet of thickness 0.6 (T6) , Metal halide (G12) downlight for decorative lighting (Other downlights are applicable upon requested). Reflector 99.85% high purity anodized aluminium reflector with Total Reflectance of 87% (87) mirror finished (DIN 5036-2) for normal usage Louver Spring-lock type for ease of maintenance. Lamp Holder Heavy duty rotary-locked type (TIS.344-1987 Standard) IP Rating IP20