How about Huihe medical equipment mask?

Good quality, five-layer protection. According to Huaren Medicine, Huihe medical device masks are of good quality and have five layers of protection. Mask is a sanitary product, which is a device worn on the nose and mouth to filter the air entering the nose and mouth to prevent harmful gases, smells and droplets from entering and leaving the wearer's nose and mouth. It is made of gauze or paper.