Bullets: Filtration Technology: n95 masks made of activated carbon and non-woven melt-blown filter cloth. The five-layer filter system effectively keeps PM 2.5 and a range of air pollutants away. 5-layer protection: 5-layer protection filters can effectively prevent air pollution. Appropriate Size: The filter size measures approx. Approximately 12 x 8 cm / 4.7 x 3.1 inches, compatible with most dust masks, easy to insert or replace the original without any problems. Good design: multiple protection against dust, multi-layer wrinkles, good ventilation, double protection against harmful substances, gases and odours with an additional filter inserted into the inside of your pollution mask. Wide Applications: Mouth Guard Filter against dust particles in the air, seasonal allergies, smoke, pollution, ash, garden pollen and so on, suitable for most occasions. Description: Material: fleece size: over 12 x 8 cm / 4.7 x 3.1 inches. Contents: 60 pieces activated carbon filters. Warm tip: the mask filter replaced the following steps: 1. Open the mask to expose the inside of the filter valve. 2. Turn the valve counter according to the ON instructions on the valve to disconnect the valve. 3. Remove the filter. 4. Replace the new filter and repeat the steps above. Turn the valve over. Package including 60 pcs activated carbon filters
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