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The air/ water bottle tubing is designed to connect an air/ CO2 source, a sterile water source (water bottle), and an endoscope to supply air/ CO2 and water during gastrointestinal endoscopic procedures. The CO2 Source Tubing Adapter connects to the gas outlet port on the front of the Olympus® UCR CO2 insufflator. The CO2 Source Tubing Adapter provides a connection for the CO2 Source Tubing and Extend Tubing with Luer Connector.