Product performance: for medical institutions to use air and oxygen mixture for one-way intermittent positive pressure artificial respiration first aid and auxiliary respiration.

Product Description: according to different configurations, the simple respirator can be divided into three types: A, B and C. The basic configuration of type A is ball, one-way valve, oxygen storage valve group, mask, optional oxygen delivery pipe, oropharyngeal airway and opener; the basic configuration of type B is ball, single valve, mask, optional oxygen delivery pipe, oropharyngeal airway and opener; the basic configuration of type C is mask, optional oxygen delivery pipe, oropharyngeal airway and opener. Each is divided into adult, child and infant specifications.