Features: *Efficient Filtration: The 4PC Humidifier Filter effectively captures impurities and contaminants from the water, insure cleaner, healthier air for your home or office environment. *Compatibility: Designed specifically for Honeywell models HAC-504, HCM-350, HCM-300T, and HCM-600, these filters provide a perfect fit, insure optimal performance and longevity. *Enhanced Humidity Control: These filters help maintain the good humidity levels in your space, reducing the risk of dry air-related issues such as dry skin and respiratory discomfort. *Easy Installation: The filters are simple to replace, making it easy for users to maintain their humidifiers without any technical expertise, promoting consistent usage. *Cost-effective Solution: With four filters included in this package, you can enjoy extended usage periods, providing excellent value while keeping your humidifier in peak operating condition. Specifications: Part Name:Humidifier Filter Material:Wood Pulp Paper Size:20*13.4*202cm Color:White Package Content: 4*Humidifier Filter Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.