black spots in cigarette filter

black spots in cigarette filter I took my N30 apart to see what these dots were. What are they? Mold??? Dust? The new mask is completely white. They don't supply new filters for this mask Brother sent me this photo,

Name: black spots in cigarette filter I took my N30 apart to see what these dots were. What are they? Mold??? Dust? The new mask is completely white. They don't supply new filters for this mask Brother sent me this photo,
Brand: www.rasophiles.fr
SKU: 83037015783
Price: 29.06 USD
Availability: InStock
Rating: 4.3789 (5 reviews)

SKU: 83037015783

4.4

EUR29.06 EUR70.06

Pay in 4 interest-free payments of $7.26 Learn more

Shipping Estimate
USA

USA

CAN

Ships within 48 hours · Estimated delivery Aug 18 - Aug 23

Description

The complete package includes all necessary accessories and a protective case for organized storage

Support for Vaping Cessation The correlation between tobacco smoking and e-cigarette initiation indicates the need for incorporating vaping cessation in national tobacco control efforts