Review: Cambridge Mask

This time I had the opportunity of getting a half face mask by Cambridge Mask Co. and of course I wrote with pleasure a review on my blog.


Cambridge Mask offers the N99 respirators (Not oil resistant), a three layer mask with a Military Grade Carbon Filter layer, and the Three-Ply Micro Particulate layer. An exhale valve is present as well to ensure that moist won’t build up.  These respirators also filter 99.6% of viruses and 99.77% of bacteria.

  • First Layer
    • The first later of this pollution mask is designed to filter our larger particles such as dust and PM10.
  • Second Layer
    • The second Three-Ply Micro layer of the N99 respirator mask is designed to block particulate pollution from PM2.5 to PM0.3.
  • Third Layer
    • The third and inner filter is made from a 100% pure activated carbon cloth and it is Military Graded. It has got a unique potential to absorb molecules, including anions and cations. Also it removes potentially harmful pathogens like bacteria and viruses.

Cambridge masks


The Cambridge Masks are made in England and they are made of high quality matterial. You can see and feel the high quality. The company has considered many details and has created an excellent face mask. The adjustable earloops offer a great seal and the wide metal that is used in the noseband to close tightly the mask around that area is durable and well chosen. The masks are washable too.


The masks have been tested by the Nelson Labs of America and they have been classified officially as N99 respirators. Each mask comes with a unique serial number to ensure quality.

Documation Filtration test


The company has decided to take the mask to the next level by adding sensors to the mask itself. By replacing the exhale valve with the SmartValve the users have the answers to key questions like: How do I know when I should be wearing a mask? How long does the mask last for? Does wearing a mask affect my breathing?

The Cambridge Mask app communicates via bluetooth with the SmartValve and collaborates with other open sources and government data, provided via AirVisual. Then the user via geolocation has access to the pollution index for his/her area.


A very well designed mask and many details have been considered. Affordable price at £22 and with great features as the company continues to innovate.


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