87 cfl 21w products are offered for sale by suppliers on Alibaba.com, of which energy saving & fluorescent accounts for 94%.
A wide variety of cfl 21w options are available to you, such as straight, tube and bulb.You can also choose from fluorescent, cfl and led cfl 21w,as well as from white, blue, and black cfl 21w, and whether cfl 21w is t-tube, e27, or t4.