SFB0 128 UND Up & Down Pendant Louver Luminaire 1x28w Housing High quality cold-rolled steel sheet Reflector 99.85% high purity anodized aluminium reflector Louver Anodized aluminium lover for anti-glare purpose , Spring lock type louver for ease of maintenance Lamp Holder Heavy duty rotary-locked type (TIS.344-1987 Standard) IP Rating IP20 Installation Provide both up light and down light distribution