... aluminum alloy,polished/matte/Spray-painting aluminum materials.Comparing with T5,only increase a pair of transformer,easy installation,maintenance free ... all over the world:HE Serie:14W,21W,28W,35W;HO serie:24W,39W,54W,80W.4.PF:0.65/>0 ... pins of each end are inside their respective socket and that the lamp is rotated 90 degrees once the pins are in ...