20 Humidifier Filter Sticks Wick Replacements – KitchCater – Sponges Refill Sticks Humidifier Diffuser Cotton Sticks<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Cotton</li><li>20-pack Humidifier Diffuser replacement sticks， Size: approx.12cm/4.72 inch*7mm/0.28 inch(Diameter*Length)</li><li>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</li><li>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</li><li>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)</li><li>If you have any question ，concern and issue ，please visit our store and contact us by customer service email. Thanks a lot</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31mVTfhKbfL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/313gDK5339L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/316HZy80-jL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31aniGHgExL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31kJDNF1rfL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41ILaMCgotL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31hgPZoGzPL.jpg" noproxy>