Dual Mode Mask

Dual Mode Mask


The Dual Mode Mask (DMM) incorporates a new design high flow open circuit demand valve and a 90° closed to open circuit change over valve.  The DMM design boasts an extremely low work of breathing (WoB) exceeding BS EN 250:2000.  Features include water dump valve, oral nasal assembly and optional LED holder.

The Dual Mode Mask readily interfaces with hardwire or through water communications. Having a low magnetic signature conforming to NATO STANAG 2897 Class A, the DMM is compatible with the complete range of Divex defence rebreathers.

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In 2015 James Fisher Defence and Divex merged to form JFD.

Today, JFD serves customers in 81 countries across six continents.

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