Boveda single refill - humidity control

BOVEDA 49% RH, SIZE 70 – humidity control – single refill

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Boveda is easy-to-use, maintenance-free humidity control for your guitar. Keeps an instrument humidified and dehumidified — whatever its surroundings call for. This product is a replacement Boveda for use in Boveda fabric holders (included in the Boveda Starter Kit and sold separately).

Available on backorder


BOVEDA 49% RH, SIZE 70 – humidity control – single refill

Individual product dimensions: 13 x 8.5cm

Stop adding water to foam, hoses and sponges in your instrument case. 1-way humidifiers require constant attention and could damage your instrument, affect the sound and playability and lead to costly repairs.

Easy-to-use, maintenance-free humidity control for wood instruments—fretted, bowed and woodwinds.

Just slip this replacement Boveda into fabric holders (included in the Boveda Starter Kit and sold separately). Then nestle in and/or around the instrument. Close the case, then Boveda automatically adds and/or absorbs moisture all around a wood instrument.

Achieves and maintains a constant relative humidity (RH) range of 45% to 55%—the safe zone for wood instruments. Uses only pure water and natural salts sealed inside a leakproof membrane.

Long lasting–Provides humidity control for 2 to 6 months based on your instrument case, time of year and climate. A simple touch test will let you know when it’s time to replace Boveda—it will feel crunchy and rigid.

Recommended for most 3- or 4-season climates (High-Absorbancy version is available separately for high-humidity climates).

Choose how many—Size 70 is available in packages of 1, 4, 12 and 20.


Unopened, Boveda can stay fresh for up to 2 years in its overwrap and sealed bags.

Always insert this pad into a sleeve of a fabric holder before placing in an instrument case.

Do not mix different RH levels within the same instrument case. And do not use different products in the same case because they will fight against each other and reduce the efficiency.

Read more about BOVEDA humidity control system here.

Additional information

Weight 1 kg
Dimensions 20 × 20 × 8 cm

Available on backorder

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