Top critical review
Generally disappointed with this product
Reviewed in Australia on 8 February 2020
Valves don’t default closed, so if You breath in slowly, the valves will stay open.
CERTAINLY not suitable for protection against viruses or for highly sensitive allergies etc.
Only use this mask if you want a general improvement in air quality.
Additionally, This filters are a lot smaller than expected (the only cover a portion of the black material
Nose pieces does not hold its shape so it is hard to get a good seal