Surgical Face Masks IIR, 3-ply, Blue, box 50pcs

Before handling the mask, make sure your hands are clean and dry. Avoid touching the inside of the mask with your hands.
To put on the mask correctly, follow the recommended fitting instructions and make sure the mask covers your nose, mouth, and chin.

Stop using the mask immediately if you detect any damage to it or if breathing resistance becomes excessive.

Excess facial hair (beard) can reduce the mask's filtration efficiency.
Do not modify, alter, add or remove parts of the device. Do not use for more than 4 hours.