The extension tubing connects the M-Vac to the SEC vacuum port and to the pressurized bag of SRS. It is a dual lumen tube. One lumen supplies pressurized solution and the other vacuum.
It gives the M-Vac mobility during the collection process. It comes in different lengths to meet the needs of the customer. Five and ten foot lengths are the most commonly used lengths, but it is also available in fifteen, twenty, forty and sixty foot lengths.