Protect your guitar with confidence... Planet Waves open-cell phenolic foam insert slowly releases moisture to help prevent shrinkage and deformities which cause leakage. Registers humidity levels from 20%-99% and temperature. Suspends from strings so it doesn't actually touch the guitar. Get yours today!
Please note: Distilled water should be used with this humidifier. Mineral deposits may be left behind from using unfiltered or tap water which may cause you humidifier to become moldy.