Description
| Part Ref | Tube OD | Tube OD | Tube OD |
| ET6Z | 6 mm | 6 mm | 6 mm |
| ET8Z | 8 mm | 8 mm | 8 mm |
| ET10Z | 10 mm | 10 mm | 10 mm |
| ET12Z | 12 mm | 12 mm | 12 mm |
| ET15Z | 15 mm | 15 mm | 15 mm |
| ET16Z | 16 mm | 16 mm | 16 mm |
| ET18Z | 18 mm | 18 mm | 18 mm |
| ET20Z | 20 mm | 20 mm | 20 mm |
| ET22Z | 22 mm | 22 mm | 22 mm |
