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