Part Number STS-18 having (CAGE Code 51705) and FSC 4720 Hose and Flexible Tubing in stock with ready to ship. Get an instant quote for STS-18 Tubing Nonmetallic by Insulation Supply Co Dba Insco. Fill the form below with your desired order quantity, targeted price and the expected order-fulfilment date. Our dedicated account manager will get back to you within 15 minutes.