34 20w circular fluorescent tube products are offered for sale by suppliers on Alibaba.com, of which led tubes accounts for 61%, energy saving & fluorescent accounts for 5%.
A wide variety of 20w circular fluorescent tube options are available to you, such as straight, tube and bulb.You can also choose from fluorescent, cfl and cold cathode 20w circular fluorescent tube,as well as from white, blue, and black 20w circular fluorescent tube,And whether 20w circular fluorescent tube is t4, {2}, or {3}.