Helps to prevent wood cracking. Designed to replace moisture which is removed from the structure of an instrument by the action of both climate and air conditioning. The internal retention material can hold up to ten times its weight of water releasing it as a vapour through precision vents cut along the length of the tube. Simply clips onto the F-hole. Made in USA by RDM
Helps to prevent wood cracking. Designed to replace moisture which is removed from the structure of an instrument by the action of both climate and air conditioning. The internal retention material can hold up to ten times its weight of water releasing it as a vapour through precision vents cut along the length of the tube. Simply clips onto the F-hole. Made in USA by RDM