The Urban Air Mask 2.0 is tested in world-class Swedish laboratory (Camfil) with equivalent results of the American N95 or European FFP2 performance (Test: GB2626 & Certification: KN95). The mask filters the following particles in the air you breathe:
HOW SHOULD I CHOOSE THE RIGHT SIZE ?
We recommend you to combine the Weight Measurement and Eye-Chin Distance Measurement to pick the right size.
Instruction for Eye-Chin Distance Measurement:
You need a wall mirror, a ruler, and something flat (like a book).
1, Look straight ahead into the mirror, keep your head upright.
2, Place the ruler, starting from your lower eyelid, straight down and parallel to the mirror.
3, Meanwhile, with your mouth closed, hold the book parallel to the ground and let it touch your chin.
4, Now you can check the number at where the ruler crosses your book.
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