Choose N95 Mask Certified by Health and Safety Authority
It would be pertinent to make use of N95 Mask Singapore that has been certified by the Health and Safety Authority in your region. It would be pertinent that you should look for the health and safety authority logo along with the test and certification approval number on the mask or packaging.
In the event of you coming across masks that were not certified by health and safety authority, you should rest assured that they may not be able to provide adequate protection to you. The N95 masks would be made available to your local hardware stores or home improvement centers.