Hi,I’m interested in your product high purity quartz glass tube waterproof for uv lamps insulation of thermal electric, I would like some more details.I look forward for your reply.Regards,Please reply to our direct. Let us know your price, MOQ, package, shipping port name and payment terms for: QUARTZ TUBES MILKY WHITE OD 19mm WT: 1.7mm to 2mm. You let us know your standard wt. Awais Ahmed Show More