set of blue, green and yellow round signs with medical respiratory mask and different signatures: ffp2, kn95 and wear mask.

2019 bands banner blue circle clip concept copy corona coronavirus covering covid disease epidemic exhalation face ffp ffp2 ffp3 fold gree hygiene icon illustration infection information isolated kn95 mask medical n95 name ncov non nose poster prevention protection protective respirator respiratory right round set sign space sticker symbol template text valve vector virus wear wearing white without word yellow