Boveda Boveda has knocked it out of the park with this one! Their patented 2-way humidification system means that the humidity is regulated to the perfect level, If the level drops the Boveda packs releases moisture bringing it back up. If the humidity rises, the Boveda pack soaks it up, keeping it at the perfect humidity no matter the atmospheric changes. Unlike distilled water and PG solutions with sponges/gel/crystals/beads which can affect your tobacco products, Boveda's reverse-osmosis membrane only releases pure water vapor and Boveda will never damage anything through direct contact.
Boveda Metal Packet Holder For use with 1x 60g Boveda Humidity pack/ The metal holder mounts to the lid of any humidor with a magnetic, or velcro fastening (both included).