Both the Boveda B49 and B49HA formulas for instruments are available.
Both the Boveda B49 and B49HA formulas for instruments are available by the:
- 4-Pack = Full year of refills for a Small Starter Kit
- 12-Pack & 20-Pack = Refills for several starter kits for multiple instruments
- Boveda has a shelf-life of 2 years when kept in its original packaging or resealed in its plastic bag.