Part Number CWC 3 5I D X 18O A having (CAGE Code 81518) and FSC 4720 Hose and Flexible Tubing in stock with ready to ship. Get an instant quote for CWC 3 5I D X 18O A Hose Assembly Air Duct by The Flexaust Company Inc. 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.