Product Review
Specificaion:
- Weight:1.76ounces
- Material:Milk Fiber,NeoprenendÂ
- Size:Average size:21.6(in)*5.5(in), stretchy and adjustable  fiter for 95% dust(Picture 5)
Functions:
- Healthy breathing:Active carbon filters isolate 95% of dust,chemicals,fumes and partiulates.
- Smooth breathing:Unique ventilation design, Â
                       exellent permeability,double air breathing valve,
                       air resistance is smaller,smooth breathing .











