Guardian Technologies PureGuardian GGHS15 Aquastick Antimicrobial Humidifier Treatment, Pure Guardian humidifiers and All Brands, Reduces Mold and Odor causing bacteria in Ultrasonic and Evaporative humidifier water tanks

Package Quantity:1 PureGuardian GGHS15 AquaStick Antimicrobial Humidifier Treatment comes in a 2-Pack and can be used in all brands and types of humidifiers. The AquaStick humidifier water cartridge helps reduce the growth of mold and odor causing bacteria in the water of a humidifier tank. For best results, it is recommended to clean your humidifier tank according to the manufacturer's instructions, before using the Aquastick and to use clean, fresh water. It needs to be replaced every 90 Days depeding on use and environmental factors.