SIKOOL UV Lamps Ltd. provides the quartz sleeves of different tube diameters, which are used in all kinds of water treatment, air sterilization, and water treatment equipment. Quartz Sleeves can solve the problem of insulating. It makes the lamps easier to be cleared and guarantee a good sterilizing effects of UV lamps. Our UV Quartz sleeves are made up of high purity quartz which can guarantee a better UV output rate. We have particular ability to process the quartz glasses and many types available for your selections, such as single end sealed, no sealed, turned-over edge, spin over,etc.