Half Face Dust Proof Mask for Outdoor Biking Motorcycling and Work,Filter PM2.5 Exhaust Gas Anti Pollen Allergy Breathable Mesh Dustproof Mask

Description

Healthy breathing:Active carbon filters isolate 95-percent of dust, chemicals, fumes and particulates Smooth breathing:Unique ventilation design, excellent permeability, double air breathing valve, air resistance is smaller,smooth breathing Fashion pattern design:Attractive appearance and is simple and lightweight Comfortable fabrics:Diving fabrics, soft texture,comfortable to wear Adjustable Velcro:Velcro neck design ingenious,the size can be adjusted to meet the most head type Mask material: diving Fabrics Filter material: activated Carbon Inner cover material: Non-woven, activated carbon Some questions about the use of this product 1:the mask can be wash.But you must put the filter down 2:the mask filter can be replaced,Here is the step: Open the mask to expose the interior of the filter valve. According to the OPEN directions on the valve,turn the valve counter(clockwise),to separate the valve. Remove the filter. Replace the new filter,reverse the above steps,clockwise rotation of the valve,over. 3:average size,stretchy and adjustable