CPR barrier mask for medical use

This protective mask with a one-way breathing valve is a daily essential protective gear for commuting, outdoor activities and public scenarios. Different from ordinary airtight protective masks that cause stuffiness and poor breathing, it adopts a professional layered breathable structure, balancing reliable protection and comfortable wearing experience. With simple structure, stable performance and strong versatility, it is suitable for daily travel, work protection and long-time wearing for adults.The biggest advantage is the built-in one-way breathing valve with exclusive one-way air circulation design. The valve only releases air outwards and prevents external air from entering. It quickly discharges hot air, moisture and exhaled gas inside the mask, effectively eliminating stuffiness, sultriness and breathing obstruction during long-time wear. While ensuring smooth internal ventilation, it perfectly blocks external dust and particles, achieving dual effects of smooth breathing an…