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Ocean Reef Dual Tank Valve - Gas Switching Block:
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Ocean Reef Dual Tank Valve - Gas Switching Block
Allows the diver to switch between two different gas sources (air/nitrox) without removing the full face mask Nitrox Compatible to 40% (The Recreational Limits of Nitrox) For all Ocean Reef Neptune Space series, Predator T Divers and Neptune II NIRA masks