The KN95 GB2626-2006 Disposable Protective Mask is a high-quality face mask designed for use in biological laboratories. With a 50-pack available, this mask provides a reliable protection solution for healthcare professionals and lab workers. The KN95 filter effectively blocks airborne particles, making it an essential item for those working in environments where safety is paramount. Trust in this product to ensure your health and well-being while on the job.