The Filtra mask passed our particulate filtration efficiency machine test with a score of 96.08%. This blue surgical mask has ear loops instead of 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 70.36.
This mask has a slight cardboard box odor, but it's well-designed and well-constructed. A stronger level of filtration is preferable though.We found this mask on Amazon. Its country of origin is India. Check out our video review for more details.