Ocean Reef Neptune Adjustable Communication Support (NACS) - Professional Diving Communication System for Scuba Divers - Perfect for Underwater Exploration and Team Coordination

The Ocean Reef NACS for Space Extender Frame is designed to hold a communication unit in place over the ear. The New Ocean Reef NACS for Space Extender Frame mounts to the left side of the new Ocean Reef Extender Frames. This is a replacement part.