Help humidify oxygen, a practical and essential accessory for your oxygen generator. Easy to install on the oxygen generator, convenient to operate and operate. Reusable designs, if the oxygen generator is not used for a while, please pour out the water in the humidification cup and clean it for use .Large font minimal/highest water, convenient to operate. Made of high-quality plastic material, safe and environmentally friendly, sturdy and durable. Easy sealing, translucent designs, suitable for various brands of oxygen generators at home and abroad. Item Type: Oxygen Generator Humidification Cup Fitment: Fits various brands of oxygen generators at home and abroad Fits Turtle Fits Samsung Fits Sysmed Fits Longfei Fits Philips Fits INVACARE Fits Kaiya Fits MED JOY Fits Ya Ao Fits Folee Fits MELING Fits YANGLIDE Fits O2box Fits YJTPas goes to YRK etc. Operation Usage1. Be sure to put clean water or cold boiled water, do not use tap water or hot boiling water;2. Put the water in the middle of the two-line English letter scale of the moisturizing cup (not too much);3. Change the water once a day or two days. If you find that there is no oxygen after replacing the water, please check whether the humidification cup is tight;4. Use a toothpick to clean the holes in the moistened cup tube every two months;5. If the oxygen generator is not used for a while, please pour out the water into the humidification cup and clean it for use. Type: A Color: white Material: PP Package content: 1 * bottle 1 * tube (30cm) Only the above package content, other products are not included. Note : Light shooting and different displays may cause the color of the item in the photo to be a little different from the real thing. The measurement error is +/- 1-3cm.