... T8 2, IP40 3, Built in ballast 4, CE Rohs prismatic light Specification: Housing:0.6mm sheet steel, surface ccoated with epoxy ... .Diffuser: PS Opal or PS Prism structure, waterproof, dustproof good light distribution and easy to cleanLampholder: BJB or VS lampholder, 0 ... with different length fluorescent, Electronic version, Diffuser version (ST-A336+) prismatic light