material |
silica gel,polycarbonate lens |
exhalation resistance |
≤98Pa(30L/min) |
weight |
490g(without poison filter) |
total field of vision |
≥75% |
binocular field of vision |
≥60% |
below field of vision |
≥40% |
mask lens light transmittance |
≥85% |
Your Name
Email or cs@chinacoalintl.com
Tel/Wechat/Whatsapp or +8615376502829
Country
Enquiry