Protec Humidifier Cleaning Ball, PC-1

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-Toxic & Odor Free, Works In All Humidifiers, Extends Filter Life

• Keeps your humidifier cleaner longer
• Kills up to 99% of odor causing bacteria
• Offers continuous protection against slimy buildup in the humidifier
• Works in all humidifiers
• Simply drop in the tank