Humidifier Demineralization Cartridge Filters 8 Pack Product overview These universal demineralization cartridges reduce white dust and mineral buildup in compatible fill humidifiers. Each cartridge contains mineralabsorbing media that helps produce a cleaner mist and reduces scale formation inside the unit, making routine maintenance easier. Key benefits Reduces white dust by capturing minerals and irregular particles from water Helps prevent hard water buildup and scaling inside the humidifier Extends time between cleanings and helps maintain consistent performance Simple to use; dropin installation Each cartridge lasts approximately 30 to 40 days depending on water quality and usage Compatibility and size Fits humidifiers with a waterfilling diameter greater than 1.5 inches Compatible with LEVOIT fill humidifiers and other models with the same fill opening, including Dual 150, Classic 160, Classic 300S, Dual 200S, OasisMist 450S, OasisMist 1000S, and LV 600S How to install Remove the humidifier tank cap or open the fill opening Drop one demineralization cartridge into the water tank the cap or close the opening and operate the humidifier as usual Package contents 8 demineralization cartridges Practical use scenarios Home with hard tap water: use a cartridge to reduce white dust on furniture and electronics and to lower the frequency of deep cleanings Office or shared workspace: maintain steady humidifier output and reduce visible mineral residue around the device Bedroom or nursery humidifier with fill design: convenient dropin installation for regular cartridge replacement without disassembling the unit Notes cartridges according to use and water quality for results Confirm your humidifier has a waterfilling diameter greater than 1.5 inches before