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the DOS comes standard with 4m of clear tubing. Many customers have been asking to purchase more tubing. We now have an available accessory — a 16-meter and 4- meter length of the tubing designed specifically for use with our DŌS. Please select from the 4 meter or 16 meter length options.
Tubing is the flexible and the available to the standard DOS specifications of 6 mm OD/4 mm ID and available in 4m and 16m lengths.