3M 9210 Flat Fold Healthcare Respirator, N95, PK20. More details: Flat Fold Disposable Healthcare Particulate Respirator, Filter Class N95, Exhalation Valve No, Face Seal No, Nose Clip Yes, Nuisance Removal No, Size Standard, Color White, Headstrap Type Dual Elastic, Standards NIOSH Approved, Package Quantity 20