With Valve Mask
  • Air ProWith Valve Mask
  • Air ProWith Valve Mask
  • Air ProWith Valve Mask
  • Air ProWith Valve Mask
  • Air ProWith Valve Mask
  • Air ProWith Valve Mask

With Valve Mask

With Valve Mask has lower exhalation resistance and is more comfortable to wear than valve masks. Strictly speaking, masks with valve are divided into disposable and duplex.

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Product Description


With valve mask


Compared with valveless masks, valved masks have lower exhalation resistance and are more comfortable to wear. Strictly speaking, valved masks are divided into disposable valved masks and double valved masks.


With Valve Mask


clean


The outer layer with a valve mask often accumulates a lot of dirt, bacteria and other dirt in the outside air, while the inner layer blocks exhaled bacteria and saliva, so the two sides cannot be used interchangeably, otherwise the dirt contaminated by the outer layer will be directly When it is in close contact with the face, it is sucked into the human body and becomes a source of infection. When not wearing the mask, it should be folded into a clean envelope, and the side that is close to the nose and mouth should be folded inward. Do not put it in your pocket or hang it around your neck.

If a valved mask is wet with exhaled hot air or saliva, its barrier effect will be greatly reduced. Therefore, it is best to prepare a few more masks in order to replace them, and they should be changed and washed once a day. When washing, first blanch with boiling water for 5 minutes.

Masks with valves should be cleaned and disinfected daily. Both gauze masks and air filter masks can be disinfected by heating. The specific approach is:

1. Cleaning. Gently rub the gauze mask with warm water and soap first. The bowl-shaped mask can be gently cleaned with a soft brush dipped in detergent, and then washed with water. Please be careful not to rub hard, because if the warp and weft gap of the gauze is too large, it will lose the effect of preventing droplets.

2. Disinfection. Soak the cleaned face mask in a 2% peroxyacetic acid solution for 30 minutes or cook in boiling water for 20 minutes or put it in a steamer for 15 minutes, then dry it for later use. This method is suitable for gauze masks and bowl masks.

3. Check. Before using it again, you should carefully check whether the masks and masks are still intact. For the gauze masks and masks, you can use the light transmission inspection method. Is the rate consistent? If in doubt, replace it with a new one. In any case, masks and masks are generally updated after 3 to 7 times of cleaning, and masks of particularly good quality can be washed 10 times. Activated carbon adsorption masks should be replaced regularly with activated carbon interlayers. If activated carbon interlayers are not replaceable, they must be replaced after 7 to 14 days. This type of mask cannot be reused after cleaning.

With Valve Mask



Folding method


First loosen the headband every 2-4 cm (only for Model 8210).

Place the mask with the valve in the palm, and place the metal strip of the nose toward the fingertips to let the headband hang down naturally.

Wear a mask with a valve, and the metal part of the nasal position should be facing up.

Place the upper end strap of the valve mask behind the head, then pull the lower end strap over the head, place it behind the neck, and adjust to a comfortable position.

Press the tips of your two fingers along the metal strip of the nose bridge from the middle to the sides and slowly press inward until it is close to the bridge of the nose. Cover the mask with both hands as much as possible and perform positive and negative pressure tests. Positive pressure test: Cover your face with both hands and exhale vigorously. If the air overflows from the edge of the mask, that is, improper wearing, the headband and metal bridge of the nose must be adjusted again; negative pressure test: cover the mask with both hands and inhale vigorously. The center of the mask will sink. If air enters from the edge of the mask, it will be worn improperly, and the headband and metal bridge of the nose bridge must be adjusted again.

Function of breathing valve: In a humid or poorly ventilated or labor-intensive work environment, using a mask with a breathing valve can help you feel more comfortable when exhaling. The working principle of the breathing valve is that the positive pressure of the exhaust gas blows off the valve during exhalation to quickly remove the exhaust gas from the body and reduce the stuffy feeling when using a mask. The negative pressure when inhaling will automatically close the valve to avoid Inhale pollutants from the external environment.

Folding use


A mask with a valve must be the right size and worn correctly to make it effective. Masks on the market are generally divided into rectangular and cup-shaped. A rectangular mask must have at least three layers of paper to protect it. The user must press the wire on the mask against the bridge of the nose, and then spread the entire mask along the bridge of the nose to exert its effectiveness. Children can wear rectangular surgical masks, because they have no fixed shape, and if they are tied well, they can fit on the child's face. For cup masks, make sure the mask is dense enough to stick to the face, and the exhaled air will not leak out to be effective. When wearing a cup-shaped mask, cover the mask with both hands and try to blow. Check if there is air leaking from the edge of the mask. If the mask is not tight, reposition it before wearing it.



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