Inquiry (采购产品): hermetic seals I need seals with a 1/4-28 thread 2-1/8" long to fit on a heater .445 od. Price @ delivery for 315 pcs. **** Hidden Message ***** Bruce Waage 07033 Company: Waage Electric Inc E-mail: bruce.w@waage.com **** Hidden Message ***** bruce.w@waage.com