The MaKrite/ SANQI/ Dasheng N95 Respirators are designed by a team with medical and safety service background. Since we have hundreds of happy customers, including Health centers and Medical facilities in the U.S.A. And they take The N95 Face mask as the most common particulate-filtering facepiece respirator when treating patients. Additionally, NIOSH Approved N95 Masks, noted on the CDC (Centers for Disease Control and Prevention) FDA authorized list of N95 Particulate Filtering Facepiece Respirators. Efficiently filters a minimum of 95% of airborne particles, reducing direct exposure to hazardous particles and preventing the spread of infectious diseases.