Nauticam N120 Extension Ring 20 with Lock
The Nauticam Extension Ring 20 with Lock is part of the N120 Port System and can be used to add 20mm effective length to an N120 Port setup.
This extension ring features a removable bayonet mount and is compatible with Nauticam Extension Ring 10 (SKU 21110).
See Port Chart for more details on choosing the correct extension and port.
Technical Specifications
| Depth Rating | 150m |
| Port System | N120 |
| Weight | 0.20kg |
| Port Opening Diameter | 98mm |
| Port Diameter | |
| Body Material | Anodized Aluminum Alloy |
| Port Material | |
| Port Coating | |
| Port Shade Material | |
| Removable Port Shade | |
| Spare O-ring | 90140 |
split
Additional Data:
- Effective length: 20mm
- Dimensions: Dia132mm x 34mm
Ā
Support & Downloads
Extension Ring Installation Guide
Support & Downloads
Instruction Manual
Port Chart
Product Information
Product Information
Shipping & Returns
Shipping & Returns

Nauticam N120 Extension Ring 20 with Lock
Nauticam N120 Extension Ring 20 with Lock
The Nauticam Extension Ring 20 with Lock is part of the N120 Port System and can be used to add 20mm effective length to an N120 Port setup.
This extension ring features a removable bayonet mount and is compatible with Nauticam Extension Ring 10 (SKU 21110).
See Port Chart for more details on choosing the correct extension and port.
Technical Specifications
| Depth Rating | 150m |
| Port System | N120 |
| Weight | 0.20kg |
| Port Opening Diameter | 98mm |
| Port Diameter | |
| Body Material | Anodized Aluminum Alloy |
| Port Material | |
| Port Coating | |
| Port Shade Material | |
| Removable Port Shade | |
| Spare O-ring | 90140 |
split
Additional Data:
- Effective length: 20mm
- Dimensions: Dia132mm x 34mm
Ā
Support & Downloads
Extension Ring Installation Guide
Support & Downloads
Instruction Manual
Port Chart
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The Nauticam Extension Ring 20 with Lock is part of the N120 Port System and can be used to add 20mm effective length to an N120 Port setup.
This extension ring features a removable bayonet mount and is compatible with Nauticam Extension Ring 10 (SKU 21110).
See Port Chart for more details on choosing the correct extension and port.
Technical Specifications
| Depth Rating | 150m |
| Port System | N120 |
| Weight | 0.20kg |
| Port Opening Diameter | 98mm |
| Port Diameter | |
| Body Material | Anodized Aluminum Alloy |
| Port Material | |
| Port Coating | |
| Port Shade Material | |
| Removable Port Shade | |
| Spare O-ring | 90140 |
split
Additional Data:
- Effective length: 20mm
- Dimensions: Dia132mm x 34mm
Ā
Support & Downloads
Extension Ring Installation Guide
Support & Downloads
Instruction Manual
Port Chart















