Boveda 2-Way Humidity Control Refill 4-Pack

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15.90 (including VAT @ 23%)

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Can be delivered to you on: 8th December 2016

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1 year warranty and 30 day money back guarantee included

1 year warranty and 30 day money back guarantee included

Once the product is delivered, you have 30 days to decide that you definitely want to keep it. If you decide it is not suitable for any reason, you can return it back to us for replacement or full refund, including standard delivery charges.

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Product Ref: 73154

  • 4 Humidity Control Refill Packs
  • Protects From Warping and Shrinking
  • Lasts Between 2-5 Months
  • Works Mainly With Acoustic Guitars
  • Reduces and Adds Humidity

Boveda 2-Way Humidity Control Refill 4-Pack

The Boveda 2-Way Humidity Control Refill 4-Pack is a pack of 4 60g humidity controllers. Made for acoustic guitars, these packs will control the humidity level in your guitar case, if the level is too high then it will absorb the moisture. If too low, it will add humidity.

Product Ref: 73154

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Full Description

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Improper storage is a huge danger to the condition of a wooden instrument and needs to be protected in the right way. Instead of using unreliable techniques that only add humidity whether it is needed or not, Boveda have created the world's first 2-way humidity controller.

The factory that your instrument was made in will have been climate controlled, this would've helped your guitar keep its specific geometry. Your guitar needs to be in a stable environment that is humidification controlled to protect it from warping or shrinking, the recommended level of humidity in a guitar case is 49 percent. The Boveda 2-Way Humidity Control Refill 4-Pack consists of a specially prepared saturated pure water and natural salt solution. The solution is contained in a water-vapor permeable "reverse osmosis" membrane. This cools down your guitar and extinguishes dangerous levels of humidity. And when necessary, add moisture, to keep the 49 percent humidity level.

Included in your package is 4 60g Boveda packs, that will slot into the 2 fabric holders that are provided in the The Boveda 2-Way Humidity Control Starter Kit that is sold separately. Then place the holders at the top of the neck and on the strings, over the sound-hole of your acoustic guitar.


  • 4 Humidy control refill packs
  • Adds or takes away humidty to make 49 percent humidity level
  • Last for 2-5 months


  • Dimensions: 5.25″ x 3.5"
  • Weight: 320g
  • Made from: A water and natural salt solution
  • Works best with: Acoustic guitars