... specification and technical data of our colored borosilicate colored glass tube. Description of ProductBorosilicate Clear and Colored Glass TubeColor:Clear, dark ... blue, light blue, amber, light yellow, green, pink, purple, red, black , milk white, etc.Size:* Diameter: regular 1-120mm, OEM ... soon. Best RegardsJessica John (Sales Manager) borosilicate clear and colored red glass tube