| A replacement valve set to be used when replacing the valves of your chromatic harmonica (Fabulous Gregor model, Sirius series) by yourself. Can be used with F-64C, F-48C, F-48S, F-48SQ, G-48, G-48W, S-64C, S-56C, S-56S, S-48S. Valves are important parts that control the air flow inside a chromatic harmonica by opening and closing, and are related to the performance of musical instruments. During daily performance, problems may occur with the valves. For example, the valve may become stuck to the reed plate due to adhesion of water vapor or saliva or deterioration over time, causing stress during performance. When performing maintenance yourself, you may have bent the valve, causing it to hang … | |