PW-HPRP-03

The D'Addario / Planet Waves Two-Way Humidification Replacement Pack lets you maintain a constant 45% humidity level for your instrument, giving you peace of mind and an easy-to-use system. The Two-Way Humidification Replacement Pack gives you a true "2-way" humidity control, keeping a steady percentage by adding or depleting moisture as necessary. Now you can keep your prized instrument stored without having to resort to messy, refillable units. Protect your investment with the Planet Waves Two-Way Humidification Replacement Pack!

Features:

• True two-way humidity control
• Maintains constant 45%RH within case
• No water, no drips, no mess
• Long lasting, maintenance free design