Hello Luis, I purchased the reed plates and gasket on line from West Co LTD.on rakutenglobel
Att: Go Kawamoto
Don’t forget to purchase the gasket, you may not need it but if yours tears you will have to repair or replace it. I only replaced the reed plate that had the bad reed. You do not have to replace them all. and I did not hear any difference in sound between reed plates. But listen to yours and see if you need to change all three.
Monsters of Melodica