ecozones universal dehumidifier refill is the pouch that fits into all of the dehumidifier cases across the range. it?s the actual pouch that works to protect your home against problems such as damp, mildew, mould and musty smells. made with nontoxic and natural ingredients its safe and cost-effective, working to draw in all of the excess moisture in the room or places with concern. lasting you for up to three months at a time, this portable pouch fits neatly into its case and will become an empty pouch when finished (that?s when you know it?s time for a new one!).