grid lamp fixture 1. many different kinds design 2. suitable for T8 3.adapt to office room,bank,school,supermarket,ect. grid lamp fixture1) 3*18w, 3 ... color is soft,without flash,protectiong the eyes5) used for T8 lamp6) electronic ballast or magnetic ballast7) Power source: 220V, 50Hz ... price and excellent quality STEEL THICKNESS: 0.35MM factory details: T8 gride lamp for three fluorescent tube 36W