This particular mask gives you full protection from dust, PM2.5, PM10 and other air pollutants. Bike, Cycling riding, Morning Walk, Horse Riding, Jogging, Climbing, Trecking are the major events in which this can be used. Can be used in general anytime anywhere. It has filter change option after around one months use (depends on the pollution level). This particular mask gives you full protection from dust, PM2.5, PM10 and other air pollutants. Bike, Cycling riding, Morning Walk, Horse Riding, Jogging, Climbing, Trecking are the major events in which this can be used. Can be used in general anytime anywhere. It has filter change option after around one monthuse (depends on the pollution level). Contains and replaceable filter that filters air pollution more than 96% Protects you and your family from asthma, allergy, lungs cancer, eye, skin, kidney and heart problems/strokes due to air pollution 6 layer of protection..4 layers of filter and 2 layers of carbon filters. Brand No Brand SKU OT776HB1N7R20NAFAMZ-136418