Cotton Material: Made of filter cotton material , porosity distribution,absorbent particularly strong, water storage capacity, volatile stability,help your humidifier work better.
Protect humidifier: When you find the diffuser/humidifier produce less steam or even stop work, and the machine become more and more hot ,try to replace the filter and no worry about the service life about the humidifier.Usually 1 to 2 weeks.
High Effective :Not water-soluble, non-stick blocking foam filter will enable a pure stream of water steam to freshen the air, which will ensure your ability to breathe more comfortably.
Appropriate Size?The filter cotton sticks compatible for USB water bottle caps humidifier, can be sheared in shorter for your own diffuser with the same size.
Suggestion:To see a better performance,we advise user to soak a filter stick to be wet completely before inserting to the humidifier and turning it on.