Boveda 2-Way Humidity Control provides reliable, long-lasting protection for guitars by maintaining a stable environment that helps preserve tone, playability, and structural integrity. Designed for serious musicians and collectors, it ensures consistent care in any storage or playing condition, reducing the risk of humidity-related damage over time.

Features 

• Boveda 2-Way Humidity Control keeps instruments in a stable, ideal humidity range for months while reducing harmful fluctuations that can damage wood and affect performance.
  
• B49 Standard is designed for most climates, providing balanced humidity control for dependable year-round protection.
  
• B49HA (High Absorbency) is made for consistently high humidity environments, ideal for areas with 60%+ relative humidity year-round.
  
• Large starter kit supports acoustic, electric, bass, and orchestral wooden instruments for comprehensive humidity protection.
  
• Maintains a controlled 40%–60% relative humidity range to preserve instrument condition and long-term performance stability.
  
• Two-way humidity regulation actively adds or removes moisture to maintain consistent environmental balance.
  
• Flexible placement options allow secure positioning inside cases, sound holes, under necks, or along strings and tailpieces.
  
• Individually overwrapped packs ensure freshness, with sealed units lasting up to two years unopened.
  
• Recommended replacement every three months ensures continuous, dependable humidity control performance.
  

Inclusions 

Each Large Kit Includes
One (1) Double (2-Pouch) Boveda Holder
One (1) Single (1-Pouch) Boveda Holder
Three (3) Boveda Refill Packets
Step-By-Step Instructions