Features1Help humidify oxygen, a practical and essential accessory for oxygen generator. 2Easy to be installed on oxygen generator, convenient to operate and use. 3Reusable designs, if the oxygen generator is not used for a period of time, please pour out the water in the humidification cup and clean it for use. 4Large font minimum/highest water marks, convenient for operation. 5Made of quality plastic material, safe and eco?friendly, firm and durable. 6Easy sealing, translucent designs, suitable for various brands of oxygen generators at home and abroad.SpecificationCondition: 100% Brand NewItem Type: Oxygen Generator Humidification CupMaterial: PlasticSize: Approx. 18 x 9.5cm / 7.1 x 3.7inFitment: Fit for various brands of oxygen generators at home and abroadFit for TurtleFit for KonsungFit for SysmedFit for LongfeiFit for PhilipsFit for INVACAREFit for KaiyaFit for MEDJOYFit for Ya AoFit for FoleeFit for MELINGFit for YANGLIDEFit for O2boxFit for YJTFit for YRK, etc.Operation Use1. Be sure to put pure water or cool boiled water, do not use tap water or hot boiling water;2. Place the water in the middle of the two-line English letter scales of the humidification cup (not too much);3. Replace the water once a day or two days. If you find that there is no oxygen after the water is replaced, please check whether the humidification cup is tight;4. Use a toothpick to clear the holes in the humidified cup tube every two months;5. If the oxygen generator is not used for a period of time, please pour out the water in the humidification cup and clean it for use.Package List1 x Oxygen Generator Humidification Cup