North American Rescue Hyfin Vent Chest Seal, Original Version 2 Count (Pack of 1)
The new hyfin vent chest seal design provides 3-vented channels that prevent airflow into the chest cavity during inspiration while allowing air to escape through the vent channels during exhalation. The 3-vent channels allow blood to escape and also provide a backup fail-safe system, as even if two of the three channels become obstructed, the vent will remain fully operational.
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