2024年11月12日 · To help address concerns about availability during the COVID-19 pandemic, the FDA has issued Emergency Use Authorizations (EUAs) for certain PPE products including face shields, other barriers,...

2022年5月17日 · Certain KN95s and KF94s are approved by the FDA, but a good way to know if you are getting legitimate KF94s is by checking that they are indeed made in South Korea.

As described in ASTM F3502-21, a barrier face covering is a product worn on the face, specifically covering at least the wearer's nose and mouth, with the primary purpose of providing source...

2022年1月15日 · KF94 is a South Korean standard, and those respirators are regulated by the South Korean government. "Every [KF94] I've tested so far has been extremely high performing," Collins says. KN95 is a...

2022年1月24日 · The “KF” in KF94 stands for “Korean filter” and the number 94 indicates the mask’s filtration efficacy. This means that KF94 masks were made in South Korea and can filter 94% of particles, Minges told Verywell. KF94 masks also look a little differently than traditional KF95 or N95 masks.

Answers to frequently asked questions about emergency use authorization (EUAs) for face masks (non-surgical) issued by the FDA during the COVID-19 pandemic.

2022年8月2日 · Unlike KN95s, KF94 masks were not granted EUA from the FDA. Still, like KN95s, KF94s are a steep upgrade from cloth or surgical masks.

辨别假KF94口罩与KN95的方式类似，若其声称已获得CDC或FDA的批准，则很可能是假冒产品，真正的KF94口罩不会印有此类文字，它的包装盒上应注明它是韩国制造的（上面印有制造商和经销商的名称）。 由于KF94口罩比KN95口罩受到更严格的监管，因此假冒的机会较少，但请务必仔细检查供应商和产品。 戴口罩有助于遏制疫情病毒的传播的成效是有目共睹的，但是，市场上有这么多种类，究竟如何选择适合自己的口罩？ 一般来说，N95、KN95、KF94口罩的防疫水平大 …

2022年2月10日 · One of the best options is the KF94 from South Korea. KF94 stands for “Korean filter” and “94 percent” filtration. The KF94 was developed in South Korea for public use, and unlike the N95,...

2022年1月28日 · Unlike cloth masks, high-quality masks — called N95s, KN95s and KF94s — are made with layers of high-tech filtering material that trap at least 94 to 95 percent of the most risky particles.