Place of Origin
Jiangsu, China
Exhalation resistance
no more than 100Pa (30L/min);
Field of view
the total field of view is not less than 75%,
Field of view-
and the binocular field of view is not less than 40%;
Exhalation resistant
≤ 70Pa
Inhalation resistance
≤40Pa
Tightness of canister
no air bubbles emerge within one minute
Application
Gas Enviroment