... ,Model:150--2000mm Dia12.5-40mm 3,S.S304, EPDM inner hose ,brass nut ss braided hose/flexible hose1.Model:150mm ... ,304 or brass 3.Nut size: Brass,and nickle plated4.Inner hose:EPDM ,PVC,normal rubber tube 5.Salt spray test ... ANY DEFECTS, REPLACED UNCONDITIONALLY. KA-221 stainbless steel braided sanitary pipe