Inquiry (采购产品): Pyrex glass tube I need a 1/2" i.d. x 3/4" o.d. x 6.5"long glass tube to use as a site glass in a calibration can. **** Hidden Message ***** Bill White 79408 Company: White's Pump Service & Supply, Inc. E-mail: billrwhite@whitespump.com **** Hidden Message ***** billrwhite@whitespump.com