-Can match lung demand value or filter well
-Scratch resistant, anti-fogging lens.
-Distortion-free lens with exceptional view, the vision rate reaches above 91%.
-Comfortable, durable silicon skirt, not irritating to the skin.
-With five-strap head-harness, quick adjustment, mask can be positioned optimally
-With speaking diaphragm.
-Delicate and beautiful appearance, exquisite workmanship.