... .5 years guaranteed 2,Model:150--2000mm Dia12.5-40mm 3,S.S304, Aluminum ,brass nut ss braided hose/flexible hose1.Model ... or brass 3.Nut size: Brass,and nickle plated4.Inner hose:EPDM ,PVC,normal rubber tube 5.Salt spray test:96 ... the length of the hose.WE PROMISE TO GIVE 3.5 YEARS GUARANTEED FOR ANY DEFECTS, REPLACED UNCONDITIONALLY. KA-2201 water pump hose