... tube: 7mm,7.94mm,9mm,9.52mm,10mm,etc fin:louver,flat,corrugated fin did 3.0MPa nitrogen test fin evaporator ... and so on 1.material :copper , aluminum ,2.aluminum foil: hydrophilic or bare3.fin type: louver or flat fin or corrugated fin.4 ... .52mm, grooved or smooth tube5.side plate: galvanized plate or aluminum plate6.size: from1/6HP to 20HP8.prodcut length: up to ...