5PCS Cycling Mask 5-layer Filter Chip Replacement Activated Carbon Dustproof Anti-fog For Bicycle Outdoor - Gray

 It is recommended to replace the mask filter once every 30 days and once every 3 months if it is not frequently used. The special period depends on the situation (please replace the filter if it turns black or damaged)

Highlights

Anti spray / anti haze / anti saliva / anti-dust.

5-layer filtration, safety protection, rest assured breathing.

Filtering effect > 95%.

How to Use:

1. Open the mask, leak out the valve inside the filter, turn the valve anticlockwise according to the open on the valve, and separate the gas valve.

2. Takedown the two air valves and take out the original filter of the mask.

3. Replace with a new filter, and turn the air valve clockwise according to the valve close instruction.

Specification