1.cool-rolled steel with sprayed white or opal powder ,no pollution .
2.double parabolic louvre for grille or grid ,Grid can be "V" or "I"shape.
3.high quality mirror (specular) or matt (semi-specular) aluminum reflector for your choose .
4.equiped with high quality low loss electronic ballast for your choose ,long life rate .
5.Troffer ,recessed or embeded in T-bar installation .