From the Boveda: Welcome to Boveda maintenance free 2-way humidity control for fretted, bowed and wood woodwind instruments, including: acoustic guitars and basses; guitarróns; violoncellos; double basses; bass...

The Boveda Humidification System - 2-Way Humidity Control Packet includes one Boveda 49% RH High Absorption packet.

2-Way Humidity Control Refill 4-Pack 49% RH Size 70Boveda is easy-to-use, maintenance-free humidity control for wood instruments—fretted, bowed and woodwinds. Keeps an instrument humidified and dehumidified—whatever its...

Boveda 2-Way Humidity Control Kit Directional 49% RH Size 70If you hold back on displaying your guitars in fear of humidity-related problems, here’s your solution. Now you can show off your beautiful instruments plus...

Boveda 2-Way Humidity Control Kit Large 49% RH Size 70Welcome to Boveda maintenance free 2-way humidity control for fretted, bowed and wood woodwind instruments, including: acoustic guitars and basses; guitarróns;...

Boveda 2-Way Humidity Control Refill 20-Pack 49% RH Size 70Individual product dimensions: 5.25" x 3.5"Stop adding water to foam, hoses and sponges in your instrument case. 1-way humidifiers require constant attention...

2-Way Humidity Control 12-Pack Retail Carton 49% RH Size 70Boveda is easy-to-use, maintenance-free humidity control for wood instruments—fretted, bowed and woodwinds. Keeps an instrument humidified and...

For Violin & Viola, Electric Guitar & Bass, Ukulele, Mandolin, Clarient & More!Includes: (2) 70 gram 49% RH packets (1) Fabric 1-Pouch Holder Take the work out of managing humidity for wooden...