Wholesale Disposable Face Mask Features Bacteria filter efficiency (BFE) Our Disposable Medical Face Mask masks effectively resist bacterial penetration with a rating of at least 95% in accordance with the European standard. Therefore, you can go about your business, knowing that you are 95 鈥?99.9% protected from inhaling airborne pollutants. 100% compliant with regulations (CE, EN14683:2005)...