4 Pack Adult Unisex Adjustable Reusable Washable Dust Face Protection with 8 Carbon Filters and 8 Breathing Valves for Bicycle Running Cycling Riding Outdoor Sport Black
Brand: NBDIB
Color: 4+8+8b Pcs

Adjustable_Face_Protection

Package include: 4Pcs Unisex Protect Sport Masks with 8 pcs Carbon Filters with 8 pcs Exhaust Valves Replacement Dust
Replaceble activated carbon filter: helps you breath in a more clean way. With the replaceable design, you only need to change the Filter instead of the entire cycling cover.
Somatological design provide most comfort to users . Comfortable fabric,adjustable nose pad and hanging ear design Elastic strap to meet most people's specific needs.
Two valves design act as blockers to the air, which help to achieve the effects of high altitude&low air concentration condition. This will increase the efficiency of your lung capacity training to some extent.
The face cover is Excellent in windproof and dustproof performance, typically good for buyers who like cycling, running, or doing other outdoor activities.