The mask is washable and reusable.
Use fresh warm water and hand wash only.
Dry in hot sun.
Do not tumble or machine wash.
Do not use soap or detergents for washing.
Do not iron.
This depends upon the environment the mask is used, however for a normal conditions the mask can be used up to 200 Hrs.
The mask can be washed for 6 times over a period of time under normal usage.
Select the sizes from the chart specified in the mask section.
The non return valve helps to remove the carbon dioxide and open while exhaling.
The filters are manufactured as integral part of the mask to make it more efficient. The filters would give a good life and the mask needs to replaced after a period of time.
The mask has two types of filters one for filtering the particulate matters up to PM 2.5 and other to filter the gases such as Sox, Nox, Toluene, Benzene,Formaldehyde and other VOC.
When the Air Quality Index is high (AQI).
People having allergy to dust and pollen.
When there is a high level of pollution such as thick black smoke from exhaust of diesel vehicles.
People having respiratory problems and asthmatic.