- It can effectively filter dust and other fine particles. It is recommended to replace it every 2-3 hours.
- Use disposable mask filters to reduce the waste of masks and extend the life of the mask.
- The mask must be put properly around the nose and mouth, so that all inhaled air can pass through the mask filter.
Material: Non-woven fabric
Type & Size:
Round: dia 9.8cm (3.8inch)
Rectangular: 12.5 x 8cm (4.9inchx3.1inch)
10 x face mask pad (the face mask in the picture NOT included)