Ø  When shall I replace the filter ?

Replace the filter every 8 hours of use.

Ø  How can I choose the right size ?

It’s essential to choose the right sized mask in order to guarantee an optimal filtration of particles, pollens, dust and other suspended matter in the air. 

Ø  How to replace the filter ?

To replace the filter, unscrew the exhalation valve, remove the filter.

Place the replacement fi lter, inside the mask, the whitepart towards the outside then

screw the valve in the direction indicated by the arrows located on the inside part of the valve.

     

Ø  Can I wash the cotton mask ?

The cotton mask is machine washable at a temperature of 30°C. Do not tumble dry, do not bleach, do not iron.