D'Addario PW-HPRP-03 Two-Way Humidification System Replacement Packets
3-pack of replacement packets for the D'Addario Two-Way Humidication System (formerly Humidipak), the first maintenance free, two-way humidity control system, made by Boveda, that preserves a constant 45%-50% relative humidity level within your instrument's case. This eliminates all maintenance and guesswork. The system is recommended by taylor guitars and others for maintaining the stability and playability of your instrument.
We Also Recommend
MARTIN MA535T AUTHENTIC ACOUSTIC LIFESPAN Custom Light PHOSPHOR BRONZE ACOUSTIC GUITAR STRINGS
Martin MA550T Authentic Acoustic Lifespan Medium Phosphor Bronze Acoustic Guitar Strings
Elixir Nanoweb Phosphor Bronze Light-Medium Acoustic Guitar Strings .012-.056