Extension Ring 40mm w/lock

The NiMAR Extension Ring 40 with lock is part of the the Port System and can be used to add 40mm (1.57") effective length.

Compatible with Nauticam N120 Port System (No lock).

SPECS

• Depth Rating: 328'(100m)
• Construction Material: Anodized Aluminum Alloy
• Bayonet Mount
• Effective Length: 40mm (1.57")

IN THE BOX

• Extension Ring
• Bayonet Mount Rear Port Cap
• 2 O-rings

See Port Chart for more details on choosing the correct extension and port.