Grover, Humidifier For Violin & Viola (5460)

Humidifierfor Violin Isinserted Into The Sound Hole Of The Instrumentprotects Instrument From Damages Due To Drynessincludes A Humicator (Humidity Level Indicator)Made Of Soft Latex Which Is Harmless To All Instrument Finishes, These Humidifiers Release Moisture To Maintain Proper Humidity Levels. Easy-To-Follow Instructions And A User-Friendly Humidity Gauge Are Included. It Is Essential To Maintain A Proper Moisture Level If Your Instrument Is Stored In An Area Prone To Severe Dryness And/Or Cold (Such As A Heated Home). The Grover Humidifier Helps To Prevent Adverse Effects Such As Bad String Action, Buzzing, Protruding Fret Ends, Cracking, Top-Sinking, And Other Damage Caused As A Result Of Dryness.