DHUA 3-layers surgical face masks are certified with BFE >99%.

3層外科口罩BFE認證有效過濾99%細菌。

DHUA 專業外科三層一次性口罩（50個盒裝）細菌過濾率BFE>99%，

研究顯示BFE達95%以上的口罩已經足夠日常是使用。

DUHA 3-layers surgical masks (50pcs/box) certified with BFE (Bacterial Filtration Efficiency) more than 99%.

The research shows that the face mask with BFE > 95% is enough for daily usage. 

三層防護的設計有助阻擋飛沫、灰塵、花粉及塵蟎，

在COVID-19病毒大規模傳染的時候，你需要為自己、為他人著想，時刻佩戴口罩。

The 3-layers design effectively blocks droplets, dust, pollen and dust mites.

Under the serious situation of COVID-19,

we should wear a mask anytime to protect ourselves and also protect others.

詳細資料：

- 3層外科口罩

- BFE >99% 認證（可以過濾99%以上3微米的微粒）

- 口罩規格及工廠符合歐盟CE認證

- 舒適挂耳設計

Details:

- 3-layers Design

- BFE > 99%

(can filter out the particles such as viruses at 3 Microns)

- Quality of Mask and the Manufacturer is certified with CE

- Comfortable Earloop Design

一般合規格的口罩均有三層設計：

外層為防水層，防止液體滲透；

中層為過濾層，阻擋細菌吸入；

内層為親水層，吸收佩戴者釋出的濕氣與水分。

3-Layers Design:

Inner layer: Spunbond (PP) non-woven fabric, breathable.

Middle layer: Meltblown (PP), trapping microparticles.

Outer layer: Spunbond (PP) non-woven fabric, waterproof.

*注意佩戴時是否分辨清晰底面，一般外科口罩呈風琴形狀，

有顏色及風琴向下的一面為外層。

Make sure you wear the surgical mask correctly.

Usually, the coloured side is facing outwards.