30pcs PM2.5 Activated Carbon Filter Face Mask Breathing Insert Protective Mouth Piece Mask Filters (White)

• 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
• As the mask filter gets clogged, it becomes more difficult to breathe. When this occurs, throw it out and use a new one
• Five Layer Protection:
  LAYER 1: (Outer) Hydrophobic water resistant-moisture barrier. Prevents inhalations of droplets
  LAYER 2: Melt-blown fabric. Electrostatic properties trap and filter out
  LAYER 3: Activated Carbon. Highly porous material provides the ability to trap atomic and subatomic particles
  LAYER 4: Melt-blown fabric. Electrostatic properties trap and filter out
  LAYER 5: (Inner) Hydrophobic water resistant-moisture barrier. Prevents inhalations of droplets
• Safety protection: Ideal to help protect the air you breathe and your mouth and face from Dust, Haze, Allergies, Pollution, Ash, Pollen, Gardening, Crafts.
• Compatible with most dust masks, easy to insert or replace the original one.
• Suitable 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 are disposable supplies and cannot be washed. Recommended replacement of 1 or more times a day depending on your use.
  This filter is not intended for Emergency Medical personnel, COVID19 Patients, or those in close proximity. 

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