Ultrasonic Humidifier Demineralization Cartridge ADC14-UM By Arm & Hammer

Tired of your humidifier leaving a crusty white dust all over your place? This cartridge fights hard water like a pro, keeping your air cleaner and your surfaces less... powdery. • Works with ultrasonic humidifiers • Reduces minerals causing white dust • Ideal for 1-gallon tanks • Includes four cartridges • Model ADC14-UM Box shows minor wear, but contents are new and unused. Each cartridge is designed for 5-10 fillings.