Description for Apeks ANTI-FREE FLOW DEVICE:Regulators not designed for cold water use are especially prone to freezing. Our simple yet extremely effective Freeflow Control Device contributes a significant advance in diver safety. In the event of 2nd stage freezing, freeflow can cause catastrophic loss of air.
With the FCD fitted to your regulator, a simple sliding action allows the diver to isolate the freeflowing 2nd stage and continue the dive using a secondary air source or alternatively, the diver can manually control the air flow allowing a safe ascent to the surface.
Designed to fit all regulators that use the standard 9/16" UNF hose fitting
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