Trusted by professionals and everyday people, LifeVac is safe and effective to use in emergencies. Retails $139.99 Brand New , 2 Blue Lifevac Kit, All with sealed masks LifeVac will never push the obstruction deeper into the victims airway as it features a one-way valve which ensures that when the device is used, it will not force the obstruction deeper into the airway of the victim. Easy to Use: LifeVac was designed to be simple to operate: Its as easy as Place, Push, Pull. Our life-saving device can be self-administered in the event one experiences a choking emergency when alone. Never Expires: LifeVac will not have to be replaced unless used to save a life. Masks should be checked periodically and replaced every two to three years. One kit provides protection for your entire family, including both children and adults and is HSA / FSA approved.