27 45w 4u energy saving light products are offered for sale by suppliers on Alibaba.com, of which energy saving & fluorescent accounts for 74%.
A wide variety of 45w 4u energy saving light options are available to you, such as straight, tube and bulb.You can also choose from fluorescent, cfl and led 45w 4u energy saving light,as well as from white, blue, and black 45w 4u energy saving light, and whether 45w 4u energy saving light is t-tube, e27, or t4.