The Sunbeam Humidifier Filter is designed to inhibit the growth of bacteria, mold and mildew. This versatile Sunbeam Filter is manufactured to fit many Halls, Holmes and Sunbeam humidifiers. The honeycomb filtration design of this Sunbeam Filter traps mineral pollutants found in water and keeps them from entering the air. The wick filter of this humidifier is equipped with a built-in antimicrobial product additive and Arm & Hammer Baking Soda, which will naturally and automatically deodorize the air and extend the life of this Sunbeam Filter. The Sunbeam Humidifier Filter is technologically sound, will meet your expectations and is the smart choice for those needing a reliable and efficient wick humidifier filter.