What is the size of the water tank for my humidifier? Jay October 21, 2019 20:27 Follow Please refer to these pages for humidifier specifications: NR07G NR08M You can always refill your bowl without stopping the machine just by adding water from a pitcher or cup. Refilling your humidifier is as easy as watering a plant. Related articles NR07 Series Humidifier Manual Should I use a sterilizing agent? Can I use tap water in my humidifiers? How should I wash my humidifier? How loud are the Miro humidifiers? Comments 0 comments Article is closed for comments.