D'Addario Accessories Guitar Humidifier Pro - Acoustic Guitar Soundhole Humidifier with Sponge - Non Drip - Suspends from Strings - Holds 12x Weight in Water

UNIQUE HUMIDIFICATION SYSTEM: Guitar Humidifier Pro features a two-way humidity control that maintains 45-50% relative humidity, the ideal range for your instrument, EASY TO USE: Simply moisten the sponge, place it in the included hygrometer, and then install it in the soundhole of your guitar. Easy to monitor and refill sponge, PROTECT YOUR GUITAR: Dry air can cause wood to crack and warp. Protect your guitar from expensive repairs and preserve its tone and playability with the Guitar Humidifier Pro, LONG-LASTING AND REUSABLE: The humidifier sponge is long-lasting and can be easily refilled with distilled water as needed, making it a cost-effective and environmentally friendly solution, TRUSTED BY MUSICIANS: D'Addario is a trusted brand among musicians, known for providing high-quality accessories that protect and enhance the performance of your instrument