A blue quartz tube is a kind of special quartz tubes.It is our characristic products.it has many advantages over other quartz products. It can filter out the red light, the brightness of white light is high, which makes it the ideal material to produce white lights for automobiles. PS:blue quartz glass tubes are one of our characteristic products.We have a good master of manufacturing color quartz tubes.Better quality and cheaper price will make you much satisfied with us.Welcome all the friends and customers.