Description
- Breathing valve device: Yes
- Total field of view: 60%,Binocular vision: ≥50%,Lower field of view: ≥35°
- Filter effect: excellent
- Lens transmittance: ≥90%
- Uses: petroleum, chemical, mining, metallurgy, military, fire, disaster relief, health and epidemic prevention, technology and environmental protection
Uses: petroleum, chemical, mining, metallurgy, military, fire, disaster relief, health and epidemic prevention, technology and environmental protection
