Oxygen Humidifier Cup For Oxygen Concentrator 10 L Replacable

Oxygen Humidifier Cup For Oxygen Concentrator 10 L - Replacable Non-toxic, harmless and easy to clean. Color: white, black Precautions for using moisturizing Cups: 1. The water should use pure water or cold water to prevent scale from clogging the pores. 2- Do not exceed the maximum water level. 3, in order to be able to absorb oxygen, it is recommended to change the water once a day or replace the water 2 days.