【Improve Air Quality with High-Efficiency Filters】This product, FZY80MF, contains two filters and is a high-performance air purifier filter compatible with the KC50 series. By replacing expired filters, you can effectively humidify the air, prevent dryness, and improve odors. It effectively filters water scale and debris while preventing bacteria and mold, enhancing the quality of indoor air. 【Wide Range of Compatible Models for Guaranteed Compatibility】 【Compatible Models】 Compatible with numerous Sharp humidifying air purifiers, including KC-500Y8-C, KC-500Y8-W, KC-500Y9-H, KC-500Y9-W, KC-50TH2-W, KC-50TH3-W, KC-50TH4-W, KC-50TH6-W, KC-F50-C, KC-F50-W, KC-F50E3-C, KC-F50E3-W, KC-G50-H, KC-G50-W, KC-H50-W, KC-H500Y-W, KC-J50-H, KC-J50-W, KC-J500Y-W, KC-L50-W, KC-L500Y-W, KC-N50-W, KC-N500Y-W, KC-P50-W, KC-P500Y-W, and more. Please check the compatibility list before purchasing to ensure compatibility. 【Eco-Friendly Design for Repeated Use】 This product features an eco-friendly design that allows for washing with water and repeated use. With 8 hours of use per day, cleaning about once a month allows for continuous use. After washing, simply dry it completely before reinstalling, making it an economical and environmentally friendly option. 【Maximize Air Purifier Performance with Regular Replacement】 By regularly replacing the air purifier filter, you can effectively maintain the purification efficiency of your air purifier. A good filter condition reduces bacteria in the room and maintains a clean air environment. As a guideline for replacement timing, we recommend replacing the filter promptly when it becomes noticeably dirty or its effectiveness decreases. 【Important Safety Notes for Safe Use】 Always turn off the air purifier when installing or removing the filter. This product is a compatible filter exclusively for Sharp humidifying air purifiers and is a consumable item. For optimal performance, please replace it regularly and perform appropriate maintenance.