Louver Fitting T8 fixture with magnetic or electronic ballast T5 fixture with electronic ballast Louver FittingMaterial:Iron base,prismatic or opal diffuser, magnetic ballast ... at your request) T8 fixture with magnetic or electronic ballast,fluorescent tube(1*18W,1*36W,1*58W,2*18W,2 ... *58W,4*18W,4*36W) T5 fixture with electronic ballast,fluorescent tube(1*14W,1*28W,1*35W,2*14W,2 ...