Activated Carbon Dustproof/Dust Mask - with Extra Filter Cotton Sheet and Valves for Exhaust Gas， Pollen Allergy， PM2.5， Running， Cycling， Outdoor Activities[Product Information]- √UNIQUE DESIGN: Unique ventilation design， a plurality of holes， excellent permeability， Exhale ，the valve is opened without resistance ，double air breathing valve， air resistance is smaller ，smooth breathing
- √Package Content: The mask can be washed when they get dirty， the product includes one activated carbon masks， two valves and filter cotton， you can replace by yourself
- √FUNCTION: Separation of 98% of the dust， chemicals， smoke and particles， It can be used for dust， anti-vehicle exhaust， anti-pollen allergy， PM2.5， for cycling， hiking， skiing and other outdoor activities
- √SUIT FOR MOST PEOPLE: Size can be adjusted to meet the most head type.
- √MONEY BACK WARRANTY & 100% QC: 100% quality checking before we send it to Amazon warehouse， we have 100% faith on quality and provide 30 days money back warranty
