DescriptionThis is a nasal pharyngeal duct, which is made of high-class materials, durable and can be used for a long time. Once the device is in place, the patient's tongue cannot fall back and block the airway, keeping the airways open so the patient can breathe. Easy to install and use, it is a very professional and practical patient ventilation nasal tube.Features-Color: Green.-Material: Silicone.-Size: About18.00X3.00X1.40cm/7.07X1.18X0.55inch.-Manufactured with superior silicone materials, safe and practical, you can use it confidently.-Once the device is in place, the patient's tongue cannot fall back and block the airway, keeping the airways open so the patient can breathe.-Easy to install and use, it can keep the patient's nasal cavity ventilated, professional and practical.-The supple, sloping tip reduces mucosal wall damage and guides the airway along the base of the nasal passage.-It is safe and comfortable to use and will not cause discomfort to patients.