... /CO2,to make sure inside air quality . MAP lunch box fresh machine.Model :MAP-450 Used pressure :0.6-0.8MpaComposite ... , extending food freshness and shelf life. The machine applies (raw meat, fish, fresh fruits and vegetables, poultry, fighting products, meat system, aquatic ... pasta products, Chinese medicine, etc.), can achieve a high-grade fresh shelf-life, food safer does not affect the taste of ...