The Boveda humidification system consists of a specially prepared saturated solution of pure water and natural salts. This saturated solution is contained within a water-vapor permeable "reverse osmosis" membrane.
- Kit includes 2 Boveda 70 gram 49% RH and 1 leak-resistant pouch holder
- Can last between 2-5months, depending on case airtightness, climate etc
- Boveda Dimensions: 5.25" x 3.5"
- Shelf life: 2+ years in original packaging
When Boveda becomes rigid, it's time to replace it with our refill packs.