Continental Elite 65180 Signal Call Bell Hose Goodyear Engineered Products are now branded Continental Elite Professional grade signal call bell hose Designed for driveway signal devices in service stations and garages EPDM tube Temperature: -40F to 160F ID (in.): 3/8, OD (in.): 0.63, Length (ft.): 50, Weight (lb. / ft.): 0.11