Mouthpiece Comparison: Yamaha Flugelhorn Standard Series Yamaha Model No. Approximate Size Equivalent 7F4 Giardinelli 10FL 11F4 Bach7FL 13F4 Giardinelli 7FL 14F4 Giardinelli 7FL, larger rim diameter 16F4 Giardinelli 3FL GP Series Yamaha Model No. Approximate Size Equivalent 14F4 Giardinelli 7FL, larger rim diameter close window
