The Vital Signs^TM ETCO₂ sampling cannulas for Capnoflex have a proprietary design for use exclusively with the Capnoflex module utilized with the GE Dash 3000/4000/5000™ patient monitors. They are offered in a variety of styles for all patients, in both nasal and oral/nasal designs with or without oxygen delivery. Many of the Capnoflex kits have Nafion sampling lines offering extended usage for patients that are receiving high humidity. All cannulas come with 8’ sampling lines.