1.Compatible Mode - This 4 pack of replacement filters is compatible with Canopy Bedside Humidifiers ONLY. Note: Please confirm the equipment model before purchase. 2.Made with Wood Pulp & Paper Filter - Bedside Humidifiers Filters Crafted from high-quality wood pulp and paper materials, this humidifier replacement filter effectively filters out particles, keep your humidifier maintaining its peak performance, providing clean and fresh mist for a ier living environment. 3.Easy to Install and Repalce - To ensure optimal performance and continuous operation of your humidifier, recommended filter replacement interval of SIX WEEKS. Designed to be simple and user-friendly, requiring no tools for installation. You can easily replace it in just a few minutes. 4.Value Package - Includes 4 x Bedside Humidifier Filters Replacement, enough to extend the life of the humidifier. Replace the filter if the following conditions occur: hardened and crusted filter, yellow color, odor, reduced water output.