Duos come in two sizes, medium and small. If you feel the Duos should be snugger, please let us know what size product you have (visible on the sample box in a box reading S or M) so we can adjust or consider the need for an extra size.
Outside and on the subway in polluted areas or if you are experiencing dust or pollen in the air. Most modern buildings, vehicles and offices are equipped with air-filtering systems.
Although there is no prescribed limit to how long you should wear the pods, we don’t anticipate use of more than a few hours at a time. We want to hear what your experience is with wearing the pods and will be in touch after the test period.
We believe comfort is a primary requirement for the success of Duo. We are still developing our filters to make it easier to breathe through them. Depending on which filter samples you were given, breathability will be different. Let us know how you feel about comfort to help us refine our product.
Duos are targeting PM2.5 particles which includes most of air born pollution, they are about 40 times smaller than a human hair! They also capture larger particles like dust and pollen.