The DVOT mask passed our particulate filtration efficiency machine test with a score of 98.14%. This 3-ply blue surgical mask has ear loops vs. head straps or ties.
Mask breathability is determined by airflow resistance, which we measure in pascals. The target for adults should be around 150, and the target for children should be close to 100. The airflow resistance of this mask is 46.40.
This mask had a pretty offensive odor. Despite the positive scores above, the strong smell would discourage us from wearing.We found this mask on Amazon. Its country of origin is China. Check out our video review for more details.