The new HyFin Vent Twin Pack sets the standard for the treatment of thoracic penetrating injuries. Provides two Hyfin Vent in a single package for both inbound and outbound treatment or in case of multiple thoracic penetrating lesions. Includes 2 chest patches. The new HyFin Vent Twin Pack sets the standard for the treatment of thoracic penetrating injuries. Provides two Hyfin Vent in a single package for both inbound and outbound treatment or in case of multiple thoracic penetrating lesions. The new design provides 3 channels that prevent air flow into the chest cavity during inspiration while allowing air to escape through the ventilation channels during exhalation. These allow blood to escape and ensure non-occlusion, because even if two of the three channels are blocked, ventilation will remain fully functioning by the third channel. Aluminium packaging with an easy opening system, the container is perforated by its middle zone to allow only one patch to be opened if no more is needed and so use the remaining for another occasion. Each patch includes a gauze to clean the wound surface before application. The HyFin TwinPack valve chest patch is a 15.24 x 15.24 cm occlusive bandage with a built-in valve, with three channels, providing superior occlusion during protocols that require the use of a 3-piece secure bandage or a chest valve or ventilation patch. Features an improved adhesive gel that creates a superior seal, even in the most adverse conditions, low temperatures and person with much beautiful. The seal has a transparent liner to allow direct placement over the wound and fits easily on the patient’s chest. HyFin TwinPack® does not contain latex. To ensure high performance, NAR packs each seal using its "Red Rip" technology, a red notch for easy opening in a sturdy aluminum bag. Successful management of open chest wounds requires an effective, easy-to-use and reliable chest patch.