Features: ✔ Healthy breathing -- The filters can reduce the amount of particulate pollution you inhale, provides protection from inhaling particulate pollution typically found in vehicle exhaust emissions and major cities. ✔ Smooth breathing -- Unique ventilation design, excellent permeability, double air breathing valve, air resistance is smaller,smooth breathing. ✔ Comfortable fabrics -- Nylon and spandex fabrics, soft texture, comfortable to wear. ✔ Adjustable aluminum nose clip --Press the nose clip firmly to the nose bridge to form a good seal. ✔ Low breathing resistance -- The expiratory resistance is only detected at 43Pa, and the standard is 260Pa. Specification: Mask Material: Diving Fabrics Filter Material: Activated Carbon Inner Cover Material: Non-woven, activated carbon Size: 11.4'' X 5.9" (One size fits most people) Net Weight: 50g Pack Contents: 1 × Sport Dust Mask How to use: 1. Put the mask between the nose and chin. 2. Fixed the back of the dust mask with the strap. 3. Install The aluminum bridge on the nose and adjust it yourself after you wear it. 4. Cover your face with your hands, then breath hard and feel if there is air flow. 5. Ensure that you are comfortable when you have wore this mask by adjusting the back of the strap. How to replaced filter: Open the mask to expose the interior of the filter valve. According to the OPEN directions on the valve, turn the valve counterclockwise, to separate the valve. Remove the filter. Replace the new filter, reverse the above steps, clockwise rotation of the valve. NOTE: There might be a slight odour for first use, so that we suggest that you wash it or put it under the sun for long exposure for 24 hours before the first use.
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