Wildfire smoke can cause a range of symptoms such as coughing, burning eyes and shortness of breath. More seriously, the smoke can trigger asthma attacks or, more chronically, lead to heart problems and has even been linked to the development of cancer.

Lethal and devastating fires have ripped through large parts of California every fall/winter for the last few years. It is an increasing trend globally, as climate change worsens.


Cambridge Mask have been tested rigorously to:

  • Certified as child safe under 14 U.S.C 1278a and CFR Parts 1370 1501 1500.53 and 1500.44 (Certified by Bay Area Testing Labs)
  • EN149 standards for CE in the European Union (Certified by SAI Global and Apave Labs FR)
  • 99.6% viral filtration efficiency and 99.7% bacterial filtration efficiency (tested by Nelson Labs USA)
  • Cambridge Masks have met a wide range of tests to ensure they are effective and safe to use for the whole family.
  • Particle Filtration Efficiency >98%