1.[PERFECT FIT]: humidifier replacement filters work seamlessly compatible with Canopy Bedside & Nursery Humidifier ONLY. They efficiently treated large particles, providing a cleaner and enhanced humidification experience 2.[PREMIUM QUALITY MATERIALS]: This humidifier filter is crafted from high-quality paper, and wood pulp materials. It maximizes water absorption, ensuring optimal humidity output for creating a comfortable home environment 3.[EXCELLENT FILTRATION EFFICIENCY]: Our advanced humidifier wicking technology changes the filter to a brownish color, indicating that it's working! Our replacement humidifier filter is made of 8-layer mesh paper, which effectively filters out hard minerals in the water. This helps improve sleep quality and creates a more comfortable environment by reducing dry air 4.[WARM TIPS]: For optimal performance, we suggest replacing the humidifier wick filter every 6 weeks, based on your usage and environment