Boveda 69% Two-Way Humidity Control Pack For Large Wood Humidifier: This pack has a capacity of 320 grams. It is made from an all-natural saltwater material. Before using, users should remove the clear plastic overwrap but should not open the brown humidity packet inside. The Boveda 69 humidity pack can be slipped into a humidifier box, after which you can add premiums and close the lid. Boveda takes care of the rest. It is recommended to replace the pack every 3 months.
