--- product_id: 258297402 title: "49% Two-Way Humidity Control Packs for Music Instruments – 4 Pack – Standard Size – Prevents Warping & Cracking for Wooden Instruments– Humidifier Packs for Instrument Cases – Resealable Bag" brand: "boveda" price: "€ 42.56" currency: EUR in_stock: true reviews_count: 11 category: "Boveda" url: https://www.desertcart.fr/products/258297402-49-two-way-humidity-control-packs-for-music-instruments-4 store_origin: FR region: France --- # Lasts 3+ months per pack Protects wood instruments 49% RH precise control 49% Two-Way Humidity Control Packs for Music Instruments – 4 Pack – Standard Size – Prevents Warping & Cracking for Wooden Instruments– Humidifier Packs for Instrument Cases – Resealable Bag **Brand:** boveda **Price:** € 42.56 **Availability:** ✅ In Stock ## Summary > 💼 Keep your instrument’s vibe flawless—because your sound deserves the perfect climate. ## Quick Answers - **What is this?** 49% Two-Way Humidity Control Packs for Music Instruments – 4 Pack – Standard Size – Prevents Warping & Cracking for Wooden Instruments– Humidifier Packs for Instrument Cases – Resealable Bag by boveda - **How much does it cost?** € 42.56 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/products/258297402-49-two-way-humidity-control-packs-for-music-instruments-4) ## Best For - boveda enthusiasts ## Why This Product - Trusted boveda brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Trusted by Millions:** Over 3 million users rely on Boveda’s patented saltwater tech - • **Effortless Maintenance:** No daily refills—replace every 3 months for continuous protection - • **Long Shelf Life & Easy Storage:** 4-pack with resealable bag, 2+ years shelf life in original packaging - • **Precision 2-Way Humidity Control:** Maintains ideal 45-55% RH to prevent warping & cracking - • **Universal Instrument Compatibility:** Perfect for guitars, woodwinds, bowed instruments & more ## Overview Boveda 49% Two-Way Humidity Control Packs deliver patented, natural saltwater technology to stabilize humidity inside instrument cases, protecting wooden and fretted instruments from damaging fluctuations. Designed for professional and hobbyist musicians alike, these 4 standard-size packs provide up to 3 months of maintenance-free humidity control, ensuring your instruments stay warp- and crack-free while preserving tone and longevity. ## Description Keep your instruments in pristine condition with the Boveda 2-Way Humidity Control 4-Pack Refill. This large kit is ideal for acoustic guitar, cello, double bass, bassoon, clarinet, etc., and preserves the look and tone of your instruments by maintaining a relative humidity of 40%–50%. With a 2+ year shelf life in original packaging, the Boveda 2-Way Humidity Control 4-Pack Refill is an essential accessory for any musician. Review: Useful and dependable - Useful product Review: Amazin - Good for cigars ## Features - WHY THIS BOVEDA: 4 STANDARD REPLACEMENT PACKS FOR BOVEDA STARTER KITS—SMALL, LARGE & DIRECTIONAL & TO FILL BOVEDA SINGLE & DOUBLE FABRIC HOLDERS. Protects fretted, bowed & woodwind instruments from humidity fluctuations. Maintains the ideal humidity level in an instrument case. NATURAL INGREDIENTS. Trusted by over 3 million people to protect & maintain items at the perfect humidity level. WE GUARANTEE QUALITY! If you’re not 100% satisfied, reach out for a full refund for up to 1 year. - HOW BOVEDA WORKS FOR MUSICAL INSTRUMENTS: Boveda 49% RH protects wood instruments & their accessories by stabilizing the humidity within the ideal range—45–55% RH. If the air inside a case is too moist, Boveda absorbs that moisture. If it's too dry, Boveda releases small amounts of water vapor into the case. Wide humidity fluctuations will cause the wood to expand or shrink, which puts stress on the instrument & degrades its performance abilities. - CHOOSE BOVEDA: Boveda's the only patented 2-way humidity control solution with 25 years of experience. Using saltwater in our humidity packs, we provide the fastest, most precise humidity control in the market for wood instruments. When you invest in an instrument, you want to ensure you take care of it to produce optimal sound. Boveda is the only humidity solution that can do so within 24-48 hours. - WHO IS BOVEDA FOR: Boveda 49% RH is for acoustic & electric GUITAR players & musicians who play WOODWINDS & BOWED INSTRUMENTS. Professional musicians, band & orchestra leaders, instrument techs, music teachers, hobbyists & student musicians use Boveda packs for easy & precise humidity management for instrument storage. NO DAILY MAINTENANCE! Don’t risk damaging an instrument by adding water to sponges and snakes & forgetting to refill them. WHY RISK A WARPED OR CRACKED INSTRUMENT? ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01B6AHW3K | | Brand Name | Boveda | | Capacity | 0.45 Kilograms | | Color | Brown | | Control Method | Touch | | Country of Origin | USA | | Customer Reviews | 4.8 4.8 out of 5 stars (44,260) | | Filter Type | Wick | | Included Components | 4 humidity control packets, 1 resealable bag | | Item Dimensions D x W x H | 0.6D x 16.5W x 17.8H centimeters | | Item Shape | Rectangular | | Item Type Name | Humidity Control | | Item Weight | 136 g | | Manufacturer | Boveda | | Material | All Natural Brine | | Model Name | B49-70-4P | | Model Number | B49-70-4P | | Operation Mode | Manual | | Other Special Features of the Product | Two-Way Humidity Control | Keeps Instrument From Cracking/Warping | Long Term & Short Term Storage | Replace Every 3 Months | Pair with the Boveda Fabric Holder for Best Results | Made For Fretted, Bowed, & Woodwind Instruments | Guitars, Ukulele, Violin, Viola, Clarinet, Any instrument With Soundhole | | Power Source | Corded Electric | | Room Type | Bedroom, Instrument Case | | Runtime | 24 hours | | UPC | 852715006095 | | Unit Count | 4.00 Count | ## Product Details - **Brand:** Boveda - **Capacity:** 0.45 Kilograms - **Colour:** Brown - **Operation mode:** Manual ## Images ![49% Two-Way Humidity Control Packs for Music Instruments – 4 Pack – Standard Size – Prevents Warping & Cracking for Wooden Instruments– Humidifier Packs for Instrument Cases – Resealable Bag - Image 1](https://m.media-amazon.com/images/I/71ygQ9EiC1S.jpg) ## Available Options This product comes in different **Style** options. ## Questions & Answers **Q: Do I have to use a fabric holder with Boveda in an instrument case?** A: YES! Always insert Boveda into a Boveda Fabric Holder before placing it in an instrument case. The fabric holder extends the life of Boveda plus acts as a liquid barrier if a pack is accidentally punctured. **Q: Do I tear open the brown Boveda packet?** A: NO!!! DO NOT OPEN the brown packet itself. If your Boveda arrived individually wrapped in cellophane, remove that plastic overwrap before slipping the humidity control pack into a fabric holder. **Q: Should I use a sponge or snake with Boveda?** A: No, do not use Boveda in the same instrument case with other humidification products, as this will reduce the Boveda’s efficiency. Ditch the sponges and hoses. No more rewetting— Boveda works automatically to balance the humidity in your case! **Q: I live in a really humid place, so do I need Boveda in my instrument case?** A: Yes! Boveda makes a High-Absorbency pack to protect wood instruments in extreme humidity, prevent warping and curb humidity fluctuations when you’re in a dry environment, like an airplane or air-conditioned venue. **Q: What’s the difference between the Large and Small Starter Kits?** A: The Large Starter Kit is the right Boveda for an acoustic guitar, large woodwind or large bowed or fretted instrument. Choose a Small Starter Kit to use Boveda with an electric guitar or bass, small woodwind or small bowed or fretted instrument. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Useful and dependable *by T***R on 26 March 2026* Useful product ### ⭐⭐⭐⭐⭐ Amazin *by M***. on 1 February 2022* Good for cigars ### ⭐⭐⭐⭐ quality *by A***D on 30 April 2025* very nice quality ## Frequently Bought Together - Boveda 49% Two-Way Humidity Control Packs for Music Instruments – 4 Pack – Standard Size – Prevents Warping & Cracking for Wooden Instruments– Humidifier Packs for Instrument Cases – Resealable Bag - Boveda Music Large Starter Kit - (3) 49% RH Standard Boveda - Ideal Two-Way Humidty Control for MOST CLIMATES - For Guitars & Other Large Wooden Instruments - Boveda for Music | Single Fabric Holder for 49% RH Boveda 2-Way Humidity Control | For Use with 1 Boveda Size 70 to Protect Smaller Wooden Instruments from Cracking and Warping --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.fr/products/258297402-49-two-way-humidity-control-packs-for-music-instruments-4](https://www.desertcart.fr/products/258297402-49-two-way-humidity-control-packs-for-music-instruments-4) --- *Product available on Desertcart France* *Store origin: FR* *Last updated: 2026-04-28*