Okeeyseda Guitar Automatic Humidifier Set Replacement Spare Parts Acoustic Guitar Two-Way Humidity Adjustment Package Classical Folk Guitar Humidifier

PROTECT YOUR GUITAR: Protects your instrument against warping, cracks and other damage cause by lack of humidification. HUMIDIFICATION SYSTEM: Guitar Humidity Packet is maintenance-free, two-way humidity control system for guitar. Applicable scope: Acoustic Guitar,Classic Guitar,Electric Guitar,Violin,Cello,Banjo,Mandolin,Ukulele etc. Guitar Humidifier System - Humidity Packet Maintain Kit - Automatic Humidity Control System - Maintenance-Free, Two-Way Humidity Control System For Guitars TWO WAY HUMIDITY CONTROL: The first two-way humidity control that maintains a constant 45%-50% relative humidity level within your instruments case.