AA Double adaptor Size: AA2020,AA3030,AA4040 Material: Aluminum,SS304,SS316 Connection Type: Hosepipe AA Double Adaptor Competitive Advantages of the product1: Precision investment coupling 2: CNC precisely machined 3: Easy to connect and disconnect 4: Used in petrochemical & chemical industries, Fertilizers, steel plants, atomic energy, power plants ect. AA Double Adaptor