Outdoor Sports Mask with Filter Half Face for Bicycle Riding Traveling Air Carbon Dust Protection
-Light weight material: Diving suit lining.
-Dual valve exhaust: Expels moisture and easy to breathe.
-Adjustable magic paste closure fits most adults (unisex). Effectively protect your health.
-Replaceable and washable filter contains 5 layers that non-woven fabric and activated charcoal filter. It is designed to be effective for at least 3 months in normal daily use.
-Active carbon filters: Vehicle and industry exhaust, dust, pollen, floating dust, virus, germ, PM2.5, H7N9 etc.
-Aluminum lock, helps to fit the mask onto nose stably. Also it gives a comfortable feel and secure fit. According to the person face to design, the bridge of the nose has aluminum sheet fixed to prevent the slide.
How to use:
Put the mask on the face to find a comfortable position.
Fix the mask by the magic stick.
To adjust the aluminum clip on the nose, transfer to the best position, avoid the pressure to the nose.
Try to breathe, check whether has leakage or not.
How to exchange the filter:
Open the face mask and can reveal the internal valve.
According to the OPEN instruction, rotate valve, separate the valve.
Remove the two valves and the filter.
Change a new filter, along the CLOSE instruction to accomplish.