This humidifier is a great accessory for any humidor.  It's filled with absorbant polymer crystals specifically designed to maintain humidity at 70%.  Fill it with distilled water and the crystals will expand.  When they  shrink to about half their size it's time to refill!

• Transluscent Casing to Help Monitor Crystals
• Stainless Steel Screen
• Filled with Gel Water Crystals
• Metal, Tape & Magnet Providing Easy Attachment to your Humidor

Dimensions: 2 1/4"Dia. x 1"TH