350 18w 5000k t8 fluorescent tube products are offered for sale by suppliers on Cooig.com, of which led tubes accounts for 78%, energy saving & fluorescent accounts for 2%, and led batten accounts for 2%.
A wide variety of 18w 5000k t8 fluorescent tube options are available to you, such as 2700k(soft warm white), 3500k(warm white) and 4100k(neutral white).You can also choose from 5w, 8w and 9w 18w 5000k t8 fluorescent tube,as well as from blue, yellow, and red 18w 5000k t8 fluorescent tube,and whether 18w 5000k t8 fluorescent tube is cfl, or electrodeless.