Silver Treatment & how it is used in the mask?
We use a process called silver impregnation in our Cambridge Masks.
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We use a process called silver impregnation in our Cambridge Masks.
Read moreNever heard of British Military Filter Technology? Learn more here and how it is used in our masks.
Read moreUnderstanding Particulate Matter and our Filtration Technology.
Read moreOur Cambridge Masks meet a wide range of tests to ensure they are effective and safe to use for the whole family.
Read moreThe Viral Filtration Efficiency (VFE) test calculates the percentage of viral material that is blocked by the mask.
Read moreBioburden is the term for the number of bacteria living on a surface that has not been sterilised.
Read moreThe Latex Particle Challenge tests the Particle Filtration Efficiency (PFE), which is the mask’s ability to keep out dust, pollutants and other no...
Read moreInhalation and exhalation resistance represents how difficult it is to breath in and out while wearing the mask.
Read moreThis certificate is given to products that have been thoroughly tested for a variety of mechanical and physical properties and are deemed safe for ...
Read moreLearn more about BFE and Delta P here.
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