D'addario Reed vitalizer single refill 72%

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