Has the mask been independently tested?
We are pleased to let you know that the Cambridge Masks have passed a wide range of tests. We do this to ensure that the masks we distribute are effective and safe to use for you and your loved ones.
- Tested as child-safe under 14 U.S.C 1278a and CFR Parts 1370 1501 1500.53 and 1500.44 (Bay Area Testing Labs)
- 99.6% viral filtration efficiency and 99.7% bacterial filtration efficiency (tested by Nelson Labs USA)Particle Filtration Efficiency >98%
Cambridge Masks utilize a triple-layer system that provides maximum protection against an array of airborne contaminants and irritants.
Test Performance:
- 99.6% average filtration of viruses
- 99.77% average filtration of bacteria
- 99.7% average particulate filtration down to 0.3 microns
You can see and learn more about our mask's testing results by visiting the link here.