It is an FFP3/DPI mask, is it certified?
它是 FFP3/DPI 面罩，经过认证吗？
The Narvalo Urban Mask is FFP3 PPE certified. We use premium products from the BLS range, a Milanese boutique company that has been a leader in the production of PPE for 50 years, the product in question has been specifically revisited and improved for Narvalo. You can find the tests carried out and the certification in the certifications section
Narvalo 城市口罩经过 FFP3 PPE 认证。我们使用 BLS 系列的优质产品，BLS 是一家米兰精品公司，50 年来一直是个人防护装备生产领域的领导者，该产品已针对 Narvalo 进行了专门重新审视和改进。您可以在认证部分找到已进行的测试和认证