1、内壁光滑，不易积水,提高安全性
2、独特螺旋纹管体设计,防止因扭曲而产生闭气
3、可同储气囊、人工鼻、单管、延长管和麻醉面罩等配件搭配销售
4、标准IS0接口
· Smooth inner wall, less prone to water accumulation, improving safety
· Unique spiral tube body design to prevent air tightness caused by distortion
· Can be sold in combination with accessories such as airbags, artificial noses, single tubes, extension tubes, and anesthesia masks
· Standard IS0 interface
