D'Addario RV0173 Reed Vitalizer Humidity Control - 72% Single Refill

Reed Vitalizer offers maintenance-free reed storage. The patented Humidipak technology uses two-way humidity control to prevent warping and keep your reeds stable in any weather conditions. Reed Vitalizer Humidity Control Packs will last 45-60 days. When the pack becomes hard, simply discard and replace with a new pack.

• Prevents warping and reed damage
• Keeps reeds stable in various climates