The ‘CIRCUIT BREATHING VENT 72IN SMOOTH BORE NON-INVASIVE PRESSURE LINE TUBE W/O FILTER W/CONNECTOR ADAPTER EXHALATION PORT AIRLIFE 10/Case – 003769’ is a medical device designed for respiratory support. This breathing circuit features a 72-inch smooth bore tube, which is non-invasive and ensures a smooth and unrestricted flow of air. It does not include a filter but comes with a connector adapter and an exhalation port for easy and convenient use. This product is part of the AirLife series and comes in a case of 10 units.