| Standard Series | | | |
| Model No. | Rim Inner Diameter (mm) | Throat (mm) | Characteristics |
| FH-7F4 | 16.24 | 4.3 | Same rim configuration as the 7A4 trumpet model. Fairly mellow high register is ideal for solo playing. |
| FH-11F4 | 16.46 | 3.8 | Medium inner rim diameter and unique “U” cup for extra endurance. Excellent attack. Easy for beginners. |
| FH-13F4 | 16.66 | 4.3 | A slightly smaller version of the 14F4. Particularly easy in the middle and high registers. Outstanding flexibility. |
| FH-14F4 | 16.76 | 4.3 | Relatively large inner rim diameter ideally matched to an original “V” cup. A good choice for demanding professional studio applications. |
| FH-16F4 | 17 | 4.3 | Same rim configuration as the 16C4 trumpet model, thus interchangeable. Ideal for orchestra players who prefer a large inner rim diameter. |
| FH-17F4 | 17.22 | 4.5 | Same rim and bore configuration as the 17C4 trumpet model, thus interchangeable. Ideal for orchestra players who prefer a large bore. |
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| GP Series | | | |
| Model No. | Rim Inner Diameter (mm) | Throat (mm) | Characteristics |
| FH-14F4-GP | 16.76 | 4.3 | Relatively large inner rim diameter ideally matched to an original "V" cup. A good choice for demanding professional studio applications. |
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| Signature Series | | | |
| Model No. | Rim Inner Diameter (mm) | Throat (mm) | Characteristics |
| FH-DUTOT | 17.2 | 3.99 | The standout features of this mouthpiece is its smooth, full sound and excellent playability. |
| FH-EM | 16.06 | 4.4 | This mouthpiece features a relatively shallow cup for a flugelhorn mouthpiece and gives outstanding control of tone and pitch. |
| FH-SHEW | 16.54 | 4.4 | The Shew mouthpiece for flugelhorns gives a smooth, silky tone. |
