Nauticam N120 Extension Ring 50 with Lock

The Nauticam Extension Ring 50 with Lock is part of the N120 Port System and can be used to add 50mm effective length to an N120 Port setup. See Port Chart for more details on choosing the correct extension and port. Technical Specifications Depth Rating 150m Port System N120 Weight 0.27kg Port Opening Diameter 109mm from SN A213191 and later 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: 50mm Dimensions: Dia132mm x 64mm Support & Downloads Instruction Manual Port Chart Extension Ring Installation Guide