ArOmis nebulizers are very robust and designed to be used for many years. Part of that usibility includes the ability to replace the internal pump when it reaches the end of its lifespan. Replacing the pump can be done in two ways. The wood base can be sent to us to repalce for you or you can go the DIY route, save some time and money and do it your self. See the video below for a detailed method of replacing the pump on an ArOmis nebulizing diffuser.