SPECS
  
 Designed to prevent and manage an open chest wound and/or emphysema caused by a penetrating chest wound.
  
 Patented, new design with three ventilation channels
  
 Two bandages included, for entry and exit wound
  
 A strong adhesive that sticks even under very difficult conditions, even to bloody and hairy skin
  
 Ventilation channels allow blood and fluids to escape, and if one channel is blocked, two more channels remain active
  
 Easy to grip, large red strip to remove the patch cover and expel excess air if necessary.
  
 Durable packaging that is easy to open. Only one patch can be easily removed and used.
  
 25% smaller than the full size Hyfin Vent
 Dimensions:
  
 Product: H 12.1 x 12.1 cm (excluding grip bar)
  
 Packaged: H 9.84 x W 16.76 x D 0.33 cm
  
 Weight: 43.94 g
  
 US Patents: 7,504,549 & Patent(s) Pending