Boveda 2 Packs Of 62% RH 67gm Humidification Units

2 individually wrapped packs of 62% RH 67gram units Shelf Life before opening: 2 years; Clean and simple way to keep your cigars humidified; Last from 2-4 months in a seasoned humidor; When pack becomes hard / solid it is time to replace; Made with carefully prepared mixture of natural salt and pure water; Reverse Osmosis helps keep the cigars humidified; Automatically maintains the humidity level inside of your humidor; Please do not mix different RH level packs in same humidor. Also please refrain from using a different humidification device when using Boveda. It will decrease the efficiency of the Boveda pack.