Inquiry (采购产品): suction cups I am looking for a suction cup that is a material more durable than rubber that is 20mm OD, 14mm tall and approximately 4mm ID or the equivalent American standard that will fit on a sucker tube stem. I have schematic drawing that I can email if needed. **** Hidden Message ***** chris idell 55103 Company: Sitma USA E-mail: cidell@sitma.com **** Hidden Message ***** cidell@sitma.com