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It significantly reduces the work of breathing by 37%
These features make deploying and retrieving the line snag-free
It fits across the upper palate and requires minimal bite pressure
Height without valve: 62
This is increased to more than 5mm in salt water
Fourth Element Halo AR Undersuit - Men's Suunto Accessories & Spares It significantly reduces the workIncorporating highly advanced thermal technology and one of the most insulating materials ever developed, the Fourth Element Halo AR Undersuit Mens performance exceeds expectations. Using technology originally created for space exploration and cryogenics, the Halo AR features the extreme insulation material ARGON aerogel in a compression resistant matrix. This materials phenomenal insulation properties enables the Halo AR to achieve extreme thermal
