The *NEW* Box Of 20 N95 Face Mask Particulate Respirator with 95% filter efficiency, manufactured by BYD, is a high-quality product designed for use in various medical, lab, and dental settings. Made in China, this unit is highly sought after by professionals in emergency medicine, dermatology, cosmetology, and more. With a unit quantity of 20, this particulate respirator offers a reliable and efficient solution for protecting both patients and healthcare workers from airborne particles and contaminants.