Fight mold growth: PureGuardian GGHS15 Aquastick humidifier water cartridge helps reduce the growth of mold and odor causing bacteria in the water of a humidifier tank and can be used in both evaporative ultrasonic humidifiers

Only one stick needed: One Aquastick can be used in humidifiers with a tank that is up to one gallon in size. For humidifiers with a capacity of one to two gallons, use two Aquasticks

For best results: PureGuardian recommends to clean your humidifier tank according to the manufacturer's instructions before using the AquaStick and to use clean, fresh water. Replace every 90 days

Easy To Use: Simply drop the GGHS15 AquaStick universal humidifier water cartridge into your humidifier tank. Keep your humidifier's mist clean and functioning properly with ultimate filtration and purification

PureGuardian: Guardian technologies offers a full range of small appliance-based solutions for happier and healthier lives at home, focused on creating powerful, safe and innovative technologies to help facilitate healthier, happier home environments