Replace Boveda packets every three (3) months. Just slip these refills into the Boveda Holder(s) from your B49 Standard Starter Kit and slide them back into your case.
For more information, please visit the manufacturer's website.
Features
- 2-way Humidity Control Refill for Starter Kits
- 4-pack, Standard Humidity
- Requires zero maintenance
- Maintains an ideal relative humidity range for instruments—40-60% RH
- Prevents wide fluctuations in humidity that cause the wood to expand or shrink, and degrade its performance abilities



