The BestAir ALL-4 10 in. 4 Pack Humidifier Wick Filter is a high-quality air filter designed specifically for use with humidifiers. Made by the trusted brand BestAir, this filter is compatible with MoistAir, AirCare, and Kenmore humidifiers. The set includes four 10-inch wick filters to ensure that your humidifier is properly maintained for optimal performance. Proudly made in the United States, this humidifier accessory is a reliable choice for improving indoor air quality and maintaining a healthy environment.