Protecting the good humidity range with minor exertion is usually a snap! This two oz. jar is filled with distinctive pre-charged h2o absorbing gel crystals. These jars can be employed In combination with your humidor's current humidifiers or by by themselves. To implement, only twist off the cap & location the jar in your humidor. https://medium.com/@refinedtraditions/the-ultimate-buyers-guide-to-humidor-cabinets-09e99f97a801