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Fit for tank humidifier or you can cut it to compatible size for your own humidifier.
Perfect Filter Repacement Wicks for USB humidifier users when running out of the little original ones, no worry about the service life about the humidifier
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
Usually 1 to 2 weeks, replace the filter, or easy to connect the machine. If you regularly use essential oils, need to replace 3 - 6 days(depending on usage and water quality)
Unscrew the water tank cap;Remove the old filter;insert a new filter.
Material made from filter cotton, good quality. Suitable for USB Water Bottle Caps Humidifier. Help the machine to Diffuse Mist and Purify. Can be sheared in shorter you need. low temperature resistant. Can be Used to filter water.
Specifications: Color: White Material: Filter Cotton Size: 8*120mm
Package Including 10 x Filter Cotton Stick
angju 10PCS Humidifiers Filters Sponges Filter - 8mm120mm Spare Cotton Swab Wick Sticks Can Be Cut for USB Air Humidifier Aromatherapy Essential Oil Diffuser - B07BR1VMH1