... 270 * L.640 Weight:5.76KG Explosion-proof sign:Ex deII B T4/T6 Explosion-proof metal halide 70WSize:dia.270 * ... class T4-T6 group, and similar plantsExplosion-proof function: Pass the related explosion-proof of authority approval, completely according to ... ;Working environment:This product adopts ZL102 cast aluminum shell, high strength, strong corrosion resistance, great impact resistant performance, ...