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| Model | Channel Diameter | Distal Tip Diameter |
| EB-1170K | 1.2 | 3.8 |
| EB-1570K | 2.0 | 5.5 |
| EB-1970K | 2.8 | 6.3 |
| EB-1970TK | 3.2 | 6.2 |
| FB-8V | 1.2 | 2.7 |
| FB-10V | 1.2 | 3.4 |
| FB-15V | 2.2 | 4.9 |
| FB-18V | 2.8 | 5.9 |
| FB-19TV | 3.2 | 6.2 |
FB-15BS | 2.0 | 4.8 |
| FB-18BS | 2.6 | 5.9 |
| FB-15RBS | 2.0 | 4.8 |
| FB-18RBS | 2.6 | 5.9 |
denotes a Portable Bedside Scope (no light source needed)