D'addario - 2-Pack Refill Small Instrument Humidipak Maintain
D'Addario brings its patented Humidipak Maintain system, powered by Boveda's two-way humidity control technology, to orchestral string instruments. This system maintains a consistent 45-50% relative humidity inside your case, protecting your instrument against cracks, warping, and open seams. Humidipak automatically adds or removes moisture as needed, with no water or refills, and no guesswork.
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The Nantel Verdict
The Nantel Verdict
Two-way humidity regulation maintains 45-50% RH automatically; patented Boveda salt-gel technology adds or removes moisture without active intervention; sealed packet format eliminates mess and refill complications; designed specifically for orchestral instruments with case-appropriate dimensions.
Two-pack refills offer 6-12 months of protection per packet depending on climate extremes; compatible with any case using standard humidity protection; minimal setup required; consider replacing on a seasonal schedule for optimal performance in variable climates.
Essential insurance for valuable instruments. The set-and-forget design removes humidity management from the player's mental load, while the science-backed regulation protects against costly wood damage that no amount of repair work can fully restore.
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Humidipak Maintain, 2-Pack Refill
Automatic Humidity Control System
D'Addario brings its patented Humidipak Maintain system, powered by Boveda's two-way humidity control technology, to orchestral string instruments. This system maintains a consistent 45-50% relative humidity inside your case, protecting your instrument against cracks, warping, and open seams. Humidipak automatically adds or removes moisture as needed, with no water or refills, and no guesswork. To use, place the Humidipak packet in the pouch (sold separately), put it inside your case, and let the system handle the rest. NOTE: Humidipak replacement packets must always be used with the Humidipak containment pouch.
Product Features
- Maintenance-free, two-way humidity control system for violin, viola, ukulele, mandolin, and other small instruments.
- Automatically maintains the optimal 45-50% relative humidity level within your instrument case by adding or depleting moisture as necessary.
- Packets last 3 months and should always be kept in a sealed case.
| Product Type | Humidity Control Refill Pack |
|---|---|
| Quantity | 2-pack |
| Target Humidity Level | 45-50% relative humidity |
| Technology | Two-way humidity control (Boveda) |
| Application | Small string instruments |
D'Addario is a leading manufacturer of musical instrument strings and accessories, renowned for combining traditional craftsmanship with modern innovation. The company has built a reputation for quality and reliability across multiple instrument categories, from guitars and orchestral strings to woodwinds and brass.
D'Addario's commitment to instrument care extends beyond strings to protective solutions like the Humidipak system, developed in partnership with Boveda. These products reflect the company's understanding of how environmental factors affect instrument longevity and playability, making them trusted by musicians and collectors worldwide.

