226 18w cfl tube products are offered for sale by suppliers on Alibaba.com, of which energy saving & fluorescent accounts for 87%, led tubes accounts for 6%.
A wide variety of 18w cfl tube options are available to you, such as straight, tube and spiral.You can also choose from white, blue and black 18w cfl tube,as well as from t-tube, e27, and t4 18w cfl tube,and whether 18w cfl tube is no, or yes.