Material: Aluminum 3003 Refrigerant: R134a Dimension : L218 x W196 x 66.3mm Fin SPEC. : Pitch=1.5, T=0.3, (116X2 fins) 173.8X60X24.5X2 sets, Fin area=682.08Kmm 2 Thermal SPEC. : Rca=0.073 ℃/W ,50 CFM; Q max= 600W