D'Addario Humidipak Replacement Packets OOO Featuring plastic wound trebles and

Featuring plastic wound trebles and traditional wound basses

and full low-end resonance

Spring-tensioned design for secure fit and stable intonation

non-permanent installation

D'Addario's best selling mandolin set

D'Addario Humidipak Replacement Packets OOO Featuring plastic wound trebles andD'Addario's Humidipak Replacement 3 Pack is the perfect solution for maintaining the health of your acoustic guitar year round. Designed for use with the DAddario Humidipak Automatic Humidity Control System (sold separately), these replacement packets provide consistent two way humidity control, keeping your instrument in an ideal 45 50% relative humidity range. Each packet lasts between 2 to 6 months, depending on environmental conditions, offering