Have tried this brand but different packaging n colour. Hopefully it works the same.
Received only 20 pcs of nose air purifier instead of 24 pcs. Received only 1 mask instead of 4.
Supplier refunded S$16.00 upon receiving my feedback.
[Nosk] Air Purifier In Nose / Block Haze / mask / Block 100% Fine Dust With S.M.S Filter / Air Purif