Protec Humidifier Cleaning Cartridge ProTec Humidifier Cleaning Cartridge offers a fast and simple humidifier cleaning solution. This flow-through cartridge contains a gentle, patented and proven material, Aquastat. Small in size, you can easily drop this cartridge in the humidifier water tank and...

Pack of (6): Protec PC-1V1 Protec, Continuous Humidifier Cleaning Cartridges, Continuous Protection Against Bacteria, Mold, Fungi & Algae In Your Humidifier, Fresher, Cleaner Mist, Humidifier Stays Cleaner, Longer, Easy To Use, Simply Drop Cartridge Into The Tank, Lasts 30 To 40 Fillings, Safe, Non-...

Humid Clean Cartridge (Pack of 4)

Quantity of (2): Protec PC-1V1 Continuous Humidifier Cleaning Cartridges, Continuous Protection Against Bacteria, Mold, Fungi & Algae In Your Humidifier, Fresher, Cleaner Mist, Humidifier Stays Cleaner, Longer, Easy To Use, Simply Drop Cartridge Into The Tank, Lasts 30 To 40 Fillings, Safe, Non-Toxi...