Superior Quality Material: Crafted from wood pulp, our filters feature a multi-layer honeycomb mesh design. This structure ensures maximum water absorption, promoting optimal moisture output for a comfortable environment. Timely Replacement Indicator: The 'Filter' light on your humidifier alerts you to change filters. For best performance, replace filters every 1-3 months depending on usage and water quality. Look for signs like crustiness or discoloration. Compatibility Assurance: Specifically designed for use with Canopy bedside or nursery humidifiers. Note: These filters are not suitable for the Canopy Humidifier PLUS. to verify your humidifier model before purchase to a . Effortless Installation Process: Easily replace your old filter by lifting the humidifier body, inserting the new filter, and holding the 'On/Off' button for to reset the indicator. Discoloration indicates active filtration. Complete Package: includes 4 high-quality replacement filters. For best results and longer filter life, use only distilled water in your humidifier to prevent premature yellowing and degradation of the filters.