This BYD Genuine N95 Foldable Particulate Respirator Face Mask is a must-have for professionals in emergency medicine, dermatology, cosmetology, dental laboratory, endodontics, dentistry, anesthesiology, cardiology, endocrinology, and biological laboratory. The mask is made with high-quality materials to ensure durability and comfort. It has a unit quantity of 20 and is suitable for both personal and professional use. The mask is designed to provide excellent protection against airborne particles and fluid splatters, making it perfect for use in medical and dental procedures.