| Product No. | HF0101V | ||
| Packaging | 1pc/pack, 25pcs/box, 12 boxes/ctn | ||
| Implementing standards | GB2626-2019 | ||
| Adjustable built-in nose clip, sponge nose pads, close fit to face, prevent leakage |
| 5-layer structure, high efficiency and low resistance |
| 5 S hooks in each box, which can be placed behind the neck to improve comfort |
| With breathing valve, which can timely remove moisture and waste air in the cavity, suitable for long time wear |