Installation instructions:

1.With nosepiece facing away from you. Hold the ear-loop in each hand with the nosepiece up.
2.Position the respirator under the chin.
3.Pull each strap over the ear. Adjust the straps as comfortable as possible.
4.Place the fingertips of both hands at the tops of the nosepiece. Mold the nosepiece to the shape of the nose bridge by pushing inwards while moving your finger tips down both sides of the nose piece.Pinching the respirator using only one hand may result in less effective respirator fit.

✔If it very important to press the nosepiece firmly to the nose bridge to from a good seal.
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Replacement ：

1.Open the mask, revealing the internal valve filter.
2.Follow the open instructions on the valve , counter clockwise rotation of the valve, separation the air valve.
3.Take down two valves, remove the filter.
4.Change a new filter, fllow the close instructions on the valve, clockwise rotating the valve and replacement is completed.

Quantity: 1Pc Mask