Large Rectangle Crystal Gel Humidifier

The Crystal Gel Humidifier is designed to efficiently sustain humidity at 70%. The high-quality porous polymer crystals absorb up to 100 times their weight in liquid. As they lose moisture, they shrink letting you know that they need to be rehydrated; simply add activator solution or distilled water and then be amazed by their recyclable ability to again maintain a 70% humidity level. Safe, effective, and very easy to use! An essential accessory for every humidor. Attaches with magnets for ease and security.