Face masks for pupils

DESCRIPTION:
These masks help us to reduce potential exposure to body fluids and / or suspended particles in the environment.

Dimensions for Pupils' maks: 21cm x 12cm.

COMPOSITION:

5-plys (Two plys of Non-woven fabrics, two plys of cotton, one ply Activated Carbon fiber) with: tie straps, elastic to adjust.    

APPLICATIONS:
Suitable for all kinds of outdoor sports which dusts exist.
●Urban cycling ●Mountain biking ●Horse riding ●Skiing ● Jogging ●Climbing  
It’s also applies to the following occasions
●Exhaust ●Industrial emissions ●Dust allergies ●PM2.5
DURABLE TIME FOR FILTER AND VALVE
Durable time for filter depends on the following factorsBreathing rate of the user
Pollution level
We recommend to replace the filter once every week if it is used quite often; For the valve, should be replaced when it is broken