The DOS comes standard with 4 meters (12 feet) of tubing. Many customers have been asking to purchase more tubing. Neptune Systems now have an available accessory — a 16-meter (48 feet) and 4-meter (12 feet) length of the tubing designed specifically for use with our DOS. Please select from the 4 meter or 16 meter length options.
Tubing is the flexible and the available to the standard DOS specifications of 6mm OD/4mm ID and available in 4-meter and 16-meter lengths.