Five Layer Protection: 1st layer of spun-bond melt-blown cloth filters micron-level dust. 2nd layer filters industrial pollutants, automobile exhaust, passive pollen allergens. 3rd layer of active carbon cloth filters micron-level dust. 4th layer offers filter density for smaller material. 5th layer of spun-bond Melt-blown cloth filters out all kinds of harmful substances.
Safety protection: Ideal to help protect the air you breathe and your mouth and face from Dust, Haze, Allergies, Pollution, Ash, Pollen, Gardening, Crafts. Suitable for adults.approx 12 * 8 cm/ 4.72 x 3.15 inches. Compatible with most dust masks, easy to insert or replace the original one.
Ideal for all outdoor and indoor sports, such as running, jogging, cycling, motorcycling, riding, hiking, skiing, snowboarding, paintball, lawn mowing, public transport, and other activities.
Warning Tips: PM2.5 Replacement Filters, disposable supplies cannot be washed. Recommend replacement of 1 or more times a day depending on your use. This filter is not intended for Emergency Medical personal, COVID19 Patients, or those in close proximity. PM2.5 Specifications is not the same as N95 standards.

Size: (2 x 8 cm / 4.72 x 3.15 in) Suitable for all standard mouth mask with a filter slots Material: Non-woven fabric Color: White/Grey Quantity: 30 pieces in one package Why should I buy it? – Activated Carbon Filters help protect you against Particulate Matter 2.5, some of the smallest and most dangerous forms of air pollution – These can filter particles as small as 0.007 microns – 10 times smaller than viruses, and much, much smaller than PM2.5. – They work surprisingly well at filtering 0.1 micron, virus-sized particles. – As the mask filter gets clogged, it becomes more difficult to breathe. When this occurs, throw it out and use a new one

Options

30pcs

face mask

30pcs M2.5 N95 Activated Carbon Filter Face Mask Breathing Insert Protective Mouth Piece Mask Filters (White)