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Aviator Standard Cannula


4 in stock.

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The Aviators Cannula is calibrated for use with the MH-4 flowmeter, or any other device calibrated to the standard protocol of 1 liter per minute per 10,000 ft. per FAA-FAR 23.1447. This Cannula works great with a headset! Note: If returned, all cannulas and oxygen masks must be factory sealed.