... Specification-14W,21W,28W,35W2, Body Material- PC or PVC Body, PC or acrylic cover 3, Lampholder-Anti-flaming PC plastic lampholder4, Electronic ballast--four configuration for ... use solid-stated mercury, 38% less usage of glass and phosphor powder compared to T8 lamps.5, Good Color ... hostpial,post office,store,house, project energy conservation improvement and so on T5 wall lamp fixtures built in EB ...