Specifications:Material: Cotton inside
Color: Black, gray, dark blue
Weight: 30g
Size: 25.5cm x 11cm
Features:1. Use of environmentally friendly fabrics, PM2.5 air particulate matter box bacteria filter.
2. Rotating adjustment buckle, adjustable ear rope, suitable for most people.
3. Plug-in filter, multi-layer structure, PM2.5 air particulate matter filtering effect is good.
4. Breathing valve design, expiratory mask can make hot and humid gas quickly discharged.
Package included:
1x PM2.5 breathing valve mask
