🌬️ 10pcs Humidifier Replacement Filter Sticks: Cotton Refill Wicks for USB Powered Personal Portable Humidifier 7135mm Review

【Filter Sticks Size】0.28(Diameter) x 5.31(Length)inch. You can cut it to fit with your diffuser/humidifier if necessary. 【Replacement】We advise our customer to replace the filter after 3-4 months use (depending on usage and water quality). 【How to Use】To see a better performance, we advise user to soak a filter stick to be wet completely before inserting to the humidifier. 【Advantages】Prolong the service life of diffuser: if the diffuser/humidifier is always complete-blocked or half-blocked, it will become hot and become broken easily, we highly recommend you to use water-solubility essential oil and clearwater. 【Our Service】If you have any question or concern, pls don't hesitate to contact us. We will reply you ASAP!.