... 15.88MM 4.condenser ,evaporator coilSpecifications:O.D.Copper Tube Thickness of copper pipe Hole Space Row Space 15 ... our free sample for your reference! R134a Cooling System Tube Inside Standards Any question pls feel free to contact ... -conditioner, Center air-conditioner for householdKey processTube bending, Punching the fins, Tube expanding, Degreasing, Welding and assembling, Leakage test, Drying, ( ...