Usage period: The mask can be used for more than 2 years, and the filter is recommended to be replaced once every 15 – 30 days. Frequent or severe haze areas, depending on the situation (the filter becomes black or damaged, please replace it in time). About odour: The material of the mask is made of diving cloth, and a slight taste is normal. You can remove the filter first and use it. Soak in warm water for 15 minutes, the taste will slowly disappear, filter: activated carbon principle can not be washed.
Package included: 1 x Mask, 3 x Filter.
- Protect you during outdoor sports.
- Perfect fit human adult head and neck structure.
- Fashion and cool, cycling tool, hypoxia training, durable.
- Suitable for skiing, cycling, travelling and other outdoor activities.
- The back of the neck with the magic paste can adjust the size to meet your needs.
- Comes with filter, dustproof. An ideal mask for cycling, hypoxia training, etc.