一次性医用口罩不应设置呼吸阀

Core Viewpoint - The newly revised mandatory national standard for medical protective masks will be implemented on December 1, which includes specific requirements for disposable medical masks [1] Group 1: Standards and Regulations - Disposable medical protective masks are not allowed to have breathing valves [1] - Masks must be equipped with a nose clip or an alternative design to ensure a secure and tight fit when worn [1] - The minimum sales unit must have clear Chinese labeling, including the expiration date or validity period, the standard number, and the indication of "disposable" usage [1]