The Yamaha Coltri Sub MCH-6 SY diving compressor is designed for filling single cylinders. It is not intended to fill cascade systems of any type (for these purposes, there are other models in the manufacturer's line) and is not designed for this. Optimal operating conditions for this compressor for diving - after each filled cylinder, you need to take a technical break of 15-20 minutes. Article: SC000100 / Y