Sell 【Crazy Promotion】10PCS Nasal Oxygen cannula oxygen soft tube household double nose oxygen tube nasal suction type universal colorless transparent best price

Nasal Oxygen Cannula Directions For Use: 1. Attach the oxygen supply tubing to the gas source and set the oxygen to the prescribed flow 2. Check for gas flow throughout the device 3. Insert the nasal tips into the nostrils with the two plastic tubes over the ears and under the chin. 4. Gently adjust the plastic slide until the cannula is secure Caution: For single use. Discard after use. Do not use if the package is open or damaged. Do not store at extreme temperature or humidity. Store in a cool and dry place Ensure that all connections are secure and air circulates freely through the tubing