Scientifically engineered to maintain a precise relative humidity in an enclosed space. Each Boveda consists of a specially prepared saturated solution of pure water and natural salt. This saturated solution is contained within a water-vapor permeable "reverse osmosis" membrane. Within a closed container Boveda maintains a predetermined level of (RH) by releasing or absorbing purified water-vapor, as needed, through the membrane.
- 8 gram Boveda Humidity Control Pack - 62%
- Stabilizes at a consistent weight
- Unlocks color, aroma & flavor
- Lasts months in a sealed container, replace when pack becomes rigid.
- Dimensions 2.75" x 2.5"