... feeding position: R (right-side), L (left-side), (opposite to axial air blower, indicating R when solution feeding is on the right)The fin ... ,case and tube material according to client.1.Aluminum,stainless steel,s. ... s.s with galvanized fins to be choosed3:Fin space:8MM,12MM,16MM to be choosed,deponds on the temp requirment4:Water deforst, ...