ZERO CALC Humidifier Descaler and Cleaner – 3 – Pack
3-Pack - Cleans and descales by removing mineral build up inside humidifiers. Easy to use , keep your humidifier clean and ensure its performance by using ZERO CALC every 2-3 weeks, depending on the hardness of your water. Includes 3 boxes. Each box includes three packages. 3 boxes is enough for 9 cleanings.