... pump design choiceness, taking convenience, supporting in brief. SY-16/25/40 Pump ,1mm thickness of body. Pump body is made ... copper ,valve is made of aluminum. Product DetailsModelSY-16/25/40Pressure0-16/25/40barFlow volume13MLWater tank volume5LBrand nameHAOBAOPowerHydraulic Delivery Detailssize32*20*26CMNet ...