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| depth max. | 150m |
| Port system | N120 |
| Weight | 0.20kg |
| Port opening diameter | 109mm |
| Port diameter | |
| Body material | Anodized aluminum alloy |
| Port material | |
| Port coating | |
| Bayonet material | |
| Removable bayonet | |
| Spare O-ring | 90140 |
Out of stock
Ref. 21120
The Nauticam 20 extension ring with lock is part of the N120 port system and can be used to add an effective length of 20 mm to an N120 port configuration.
This extension ring features a removable bayonet mount and is compatible with the Nauticam 10 extension ring (SKU 21110).
Refer to the Port Table for details on how to choose the correct extension and port.
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