The "cage" is constructed of a 1 "x1" PTR tube. Use the condenser of an old refrigerator to use it as a radiator. Also, install a fan to cool the water so as to eliminate the annoying water bucket. Also install a deposit where the mini submersible pump that comes with the compressor is install for the floor where the compressor is using 1.5mm thick steel sheet now I just need to get a good moisture filter for the high pressure outlet for finish the project.