Adjustable Reusable Protector Breathing Filters Review

[Fast Delivery] The face shield is shipped from US. You will received it within 1-3 days. [Five-layer protection] The filtration rate of air particles is greater than 99%. The filter can effectively block particles and harmful substances, such as smog, dust, pollen and car exhaust. [Soft & Breathable] The valve opens when you exhale to reduce breathing resistance. It closes to let the filter work when you inhale . Dual exhaust valves provide comfortable breathing by reducing the accumulation of heat and moisture. [COMFORTABLE DESIGN] Made of breathable nylon mesh fabric, there is no unpleasant smell; soft nose pads and adjustable snap-on nose clips provide a better fit; flexible ear hooks reduce friction on the ears;. [APPLICABLE OCCASIONS] It is suitable for outdoor activities such as house decoration, running, cycling, etc. It can also be used for anti-fog and dust.