D'Addario Two-Way Humidification SystemTwo Way Humidification System D'Addario brings you Boveda's patented technology as part of our instrument care line. The Two Way Humidification System (formerly Humidipak) is the only maintenance free, two way humidity control system for guitar. It automatically maintains the optimal 45 50% relative humidity level within your instrument case, eliminating the guesswork and potential mess related to refilling a humidifier. Unlike refillable humidifiers,

Rose Apple

discard and replace using the 3 refills that come in the D'Addario Two-Way Humidification Replacement Pack (PW-HPRP-03)

Guitar not included

We recommend Jazzy Tones for both Electric Guitar & Archtop Jazz Guitar

We recommend Coconut Palm for Acoustic Guitar

which can help to add some brightness to the tone of most guitars

We recommend African Ebony for Electric Guitar & Archtop Jazz Guitar

LL Mini Model

LuteHoles are held in the sound hole by a resilient gasket

Since LuteHoles don't completely cover the sound hole they don't suppress the instrument’s natural voicing and air flow as much as other devices

​​​​​​​We recommend Malay Ebony for Electric Guitar & Archtop Jazz Guitar

The D'Addario Screeching Halt Soundhole Plug allows you to play your electric acoustic at far greater volume