Protect your cello from the harmful effects of dry air with the GEWA humidifier. This effective humidifier will protect your instrument from cracking by maintaining optimal humidity inside the cello Installation is very easy: simply hang the humidifier in the F-hole of the instrument - without damaging the instrument. Thanks to its thoughtful design, the GEWA humidifier ensures even moisture release over a longer period of time. It is compatible with cellis of any size and adapts perfectly to the shape of your instrument. Made of high quality materials, the humidifier is durable and reusable to keep the instrument in optimal condition for the long term. Protect your precious cello with the GEWA Humidifier and enjoy the reassurance that your instrument is protected from the challenges of dry ambient air.