🛡️ Adjustable Reusable Dustproof Protective Shield Review

Replaceable activated carbon filter: let you breathe cleaner. Activated carbon can isolate 95% of dust, pollen particles, etc. With a replaceable design, you only need to replace the filter instead of the entire mask. Lightweight: the light air-mask is comfortable, breathable and good for use in hot climates, the dust-mask is made of nylon that offers excellent permeability. 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. Hanging ear design Elastic strap: high elastic straps and the auditory cord fit better to the face. Replaceable filter: the mask can be used for more than 2 years, the 6 filters turn black or damaged, replace them on time, recommended once every 2-4 days. This can be used as a gift for relatives or friends.