Plastic Sound Hole Humidifier for Acoustic Guitars Protect your acoustic guitar from damage caused by humidity changes with this durable sound hole humidifier. Made from antifall, wearresistant plastic, it is built for longterm use and designed to fit a wide range of folk and acoustic guitar shapes and sizes. Key benefits Prevents warping and denting of the and back panels by stabilizing humidity inside the sound box. Durable antifall plastic construction resists abrasion and everyday wear for reliable performance. Universal design fits most acoustic guitar sound holes for easy, tool installation and removal. Simple moisture control inside the instrument helps reduce the risk of cracks and structural stress caused by rapid humidity swings. Features and specifications Material: durable, wearresistant, antifall plastic. Function: sound hole humidifier that releases moisture inside the guitar body to maintain stable internal humidity. Compatibility: suitable for folk and acoustic guitars of various sizes and shapes on the market. Performance: built for repeated use with abrasion resistance to support longterm maintenance routines. How it helps Stabilizes internal moisture to protect the soundboard and back from shrinking, swelling, or cracking. Reduces the need for frequent adjustments or repairs by maintaining a more consistent environment inside the instrument. Easy to add to regular guitar care and storage habits without complicated setup. Practical use scenarios Home storage: place the humidifier in the sound hole during dry winter months to prevent the and back from drying out and warping. Travel or gigging: use during transport and in changing climates to reduce stress from rapid humidity shifts while on the road. Longterm storage: keep the instrument in a case with the humidifier installed to maintain steady internal humidity when not in regular use. Care and maintenance Refill or moisture source as recommended for the humidifier type being used. Remove before performing string changes or certain maintenance tasks to avoid interference. This sound hole humidifier is a practical maintenance tool for acoustic guitar owners who want to protect their instruments from humidityrelated damage with a simple, durable, and universally compatible solution.