Model: GM-0503E HALF MASK

CONFORMED TO CE EN140:1999

Dtails:

1. The main body is made of the high quality silicone which is anti-aging, anti-allergic, easy to clean, and more comfortable to wear.

2. Contour of the mask fits users’ facial curve. It is adjusted to different faces.

3. The visual field of mask is broadened so that it is advantage to users’ security operations.

4. The well-designed inhalation and exhalation valves is more smooth to breathe.

5. Using adjustable headband makes the mask wear more securely.

6. The design of couple filters has better filtering effect and reduces the respiratory resistance. Outward turning thread connections are more convenient and efficient to connect and replace the filters

Specifications as below:

1. Leakage coefficient ≤ 2% at 30 l/mim;

2. Inhalation resistance (Pa) ≤ 50 Pa at 30 l/mim;

3. Exhalation resistance (Pa) ≤ 300 Pa at 160 l/min;

4. The carbon dioxide content of the inhalation air ≤ 1% ( by volume )