Crathco D25-D255 cooling plate (Evaporator) assembly. Plates comes assembled with Capillary and low pressure tubes. It mounts easily on top of the frame. Refrigeration work is needed to install and charge 6.7 ounces = 190 grams (134R refrigerant. for 1/5 Horse power compressor. Only experienced person should install and make sure the pressure are correct. The D25 model has a 1/5 HP compressor. It needs R134 refrigerant 6.7 Oz. (190 grams). This is a No Return item for malfunction reported after installation.