***This Product Cannot Be Shipped Internationally NSN# 6510-01-642-6212 The HyFin® Vent Chest Seal Twin Pack from North American Rescue sets the standard for the treatment of penetrating injuries to the chest. Two separately packaged vented chest seals are offered in one unique package for treatment of both entry/exit or multiple penetrating injuries to the chest. The HyFin® Vent Chest Seal…