Nauticam Mini extension ring 20 Medium Volume which puts them in the

which puts them in the “Excellent” UV protection category

Mini size available separately

Ideal for pool training or as a base layer beneath a wetsuit or a semi-dry when diving or snorkeling

This enables you to rocket through open water at top speed

Nauticam Mini extension ring 20 Medium Volume which puts them in theThe Nauticam N85 Extension Ring 20 can be used to add 20mm effective length to an N85 Port System. See Port Chart for more details on choosing the correct extension and port. Technical Specifications Depth Rating 100m Port System N85 Weight Port Opening Diameter Port Diameter Body Material Anodized Aluminum Alloy Port Material Port Coating Port Shade Material Removable Port Shade Spare O ring 90143