Oxygen Generator Humidifier Bottles, Plastic B For oxygen humidification – a practical and essential accessory for oxygen generators. Easy to install on the oxygen generator, convenient to operate and use. Reusable. If the oxygen generator is not used for an extended period, please empty the water from the humidifier cup and clean it. Large markings indicate minimum/maximum water levels for easy operation. Made of high-quality plastic, safe and environmentally friendly, sturdy and durable. Easy to close, translucent, suitable for oxygen generators and other applications. Item Type: Oxygen Generator Humidifier Features: Fits oxygen generators and other devices Fits Turtle Fits Sysmed Fits Longfei Fits Kaiya Fits MED JOY Fits Ya Ao Fits Folee Fits YANGLIDE Fits O2box Fits YJT Fits YRK etc. Operation 1. Use clean or boiled water. Do not use tap water or boiling water. 2. Fill the humidifier cup to the center of the two-line English letter scale (do not overfill). 3. Change the water once a day or every two days. If there is no oxygen after changing the water, please check that the humidifier cup is airtight. 4. Clean the holes in the humidifier cup tubing every two months with a toothpick. 5. If the oxygen generator will not be used for an extended period, please empty the water from the humidifier cup and clean it before use. Type: B Color: White Material: PP Package Contents: 1 Bottle 1 Hose (30 cm) Only the above items are included; other products are not included. Note: Light reflections and different display settings may cause the color of the item pictured to differ slightly from the actual product. The allowable measurement deviation is +/- 1-3 cm.