Strive to customer first: Please read the instruction carefully and operate according to the instruction. If you have any questions about our products, please feel free to contact us. choking rescue device We provide 12 months free return and change service. the device is equipped with two masks of different sizes for children and adults,so you don't need to worry about the wrong size. Ideal for first aid kit, trousse de premiers soins, adventure medical kits,choking rescue device home kit, first aid, office, restaurants, travel, holiday, and more. Choking rescue device Suitable for trained professionals and laymen alike - a must-have for any first aid kit, the compact and lightweight design is easy to carry and store, ideal for home, office or traveling. If you live alone, you can use on yourself in a choking emergency. Choking rescue device reasonable structure: anti choking device The plunger produces negative pressure, which can more effectively suck out obstacles. Exhaust the air in the valve body to ensure strong suction. Cardiopulmonary resuscitation device can help save lives in airway obstruction emergencies, a non invasive suction aid device, reliable and practical. Choking rescue device short suction time: choking rescue device home kit Short suction time, safe and effective. Under normal circumstances, it is not necessary to replace the equipment, but only to replace the face mask every 2 - 3 years. The spring type design can exert the maximum suction force of the device, strong suction, helps you suck out blockages at prime time. Choking rescue device: The asphyxia choking rescue device is a non-invasive assistive device for saving lives in the emergency of airway obstruction, which is simple and practical in daily life. life vacuum choking device can effectively remove the liquid and foreign matters that cause dyspnea. In the emergency of respiratory obstruction, it can make you feel at ease. Choking rescue device Soft silica gel: The asphyxia choking rescue device is made of silica gel, choking rescue device kids which is soft and comfortable to wear. Small and light, easy to carry, very suitable for travel.Plunger for generating negative pressure, more powerfully suck out obstructors. Vent valve for dscharging air from main body to ensure it can generate strong suction. Choking rescue device combo kit covers both children and adults: first aid kit anti choking device the Travel kit includes a one-way valve suction device, a kid mask, an adult mask, and a set of instructions for use.