2
/
3
Wearing Instructions:
1. Pull both ear loops and open folded masks;
2. Place the chin inside the mask;
3. Pull the ear loops to the ear;
4. Place the fingertips of both hands on the top of the metal nose clip, and the fingertips slide along the
sides of the metal strip to shape the nose area into the shape of the nose;
5.
Cover the mask with both hands and breathe quickly. If there is air leakage around the mask, please
continue to adjust the position of the mask, nose clip or ear loops tightness until
a proper seal
is achieved.
Checking Your Seal:
1.
Place both hands over the mask, take a quick breath in to check whether the mask seals tightly to the
face.
2.
Place both hands completely over the mask . If you feel leakage, there is not a proper seal.
3.
If air leaks around the nose, readjust the nose clip
according to the wear method 4
;
If air leaks at the
mask edges, re-adjust the ear loops along the sides of your head until a proper seal is achieved.
4.
If you cannot achieve a proper seal due to air leakage, ask for help or try a different size or model.
Service life and judgment methods:
1. When the mask is contaminated or the breathing resistance is obviously increased during use, please
discard and replace a new mask immediately.
2. When the mask is damaged or deformed by external force, the mask can not close well with the face,
please discard and replace a new mask immediately.
3. In case of visible dirt, wetness or residual moisture, or foreign matter such as blood stains or droplets,
please discard and replace a new mask immediately.
Storage Conditions and Shelf Life:
1. The mask should be stored in a clean, ventilated, dry, oil free, free of direct sunlight and non-corrosive
gas and away from open fire.
2. If the mask is not used frequently, it is recommended to put the mask into a sealed bag for storage, and
the mask deformation should be avoided when stored.
3. Storage temperature range : 0℃ to 35℃; relative humidity :<85%.
4. Shelf life: from the production date, the shelf life is 2 years if the above conditions 3 storage
temperature and humidity requirements are met.
