Smart Trailer Link can fill either 2 trailer in series with two connection points or the other version is a compact unit that can fill one trailer at a time. Depending on the customer need the dimension of the piping can vary for higher flow rates. The control of the trailer is possible via communication like Harting connectors. Depending on the storage or compressor also online filling has been realized. Uncooled filling has been tested and realized for a customer. This product is intended for industrial applications.