372 20mm led glass lens products are offered for sale by suppliers on Alibaba.com, of which lenses accounts for 11%, led lenses & reflectors accounts for 7%.
A wide variety of 20mm led glass lens options are available to you, such as glass, pmma and pc.You can also choose from optical, light and led light 20mm led glass lens,as well as from oem, odm, and obm 20mm led glass lens, and whether 20mm led glass lens is spheric, aspheric, or round.