| Features | |
| Length : | 175mm ±3mm |
| Width : | 95mm ±3mm |
| Nose bridge length : | ≥80mm |
| PH value : | 4.0~7.0 |
| Formaldehyde content : | ≤20mg/kg |
| Performance | |
| Particle filtration efficiency @0.3 micron : | 80% |
| Bacteria filtration efficiency @0.1 micron : | 90% |
| Different pressure in mm H20 @8 LPM Flow Rate (DELTA P) : | 1.5 |
| Helmke Drum (Particles Count) >0.5 micron : | 100 |
| Skin irritation : | Negative |
| Materials | |
| Outer layer : | 100% non-woven spun bond polypropylene fabric (weight: 18 g/m2) |
| Middle layer : | 100% non-woven spun bond polypropylene fabric (weight: 18 g/m2) |
| Side ribbon : | 100% non-woven spun bond polyester (weight: 40 g/m2) |
| Packing Details | |
| Gift box size : | 18.5 x 10 x 10cm (50pcs/box) |
| Gift box G.W. : | 200g |
| Carton size : | 52 x 39 x 34cm (40box/carton) (2000pcs/carton) |
| Carton G.W. : | 8kg |
