... 1) single or double tube is available.2) Suitable for fluorescent T8 / T5 lamps and LED tube 3 ... lamp,waterproof lamp,wall lamp,craft lamp,organic-plate lamp,ballast,sewing machine lighting,advertising light box,working lamp,grille lighting fixture,decoration lamp,table lamp,waterproof lamp,dustproof lamp,grid lamp ... -OEM orders are welcomed.certificates: T8 fluorescent lamp t8 36w 58w 18w tubes