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3000pcs Black White Reusable plastic exhalation Valves Breathing Filters Valve for Face Mouth Guard Spare Parts

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3000pcs Black White Reusable plastic exhalation Valves Breathing Filters Valve for Face Mouth Guard Spare Parts

3000pcs Black White Reusable plastic exhalation Valves Breathing Filters Valve for Face Mouth Guard Spare Parts

2,602.23 2,126.76

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SKU: 4001009574469 Category:

Description

Product Description

Product name

mask breathing valve

Material

PP, ABS

Colors

White/black

MOQ

3000pcs

Application

The role of mask 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 during the exhalation blows off the valve sheet to quickly remove the exhaust gas from the body, reducing the stuffy feeling when using a mask, and the negative pressure when inhaling will automatically close the valve to avoid suction Pollutants entering the external environment.

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Additional information

Structure

breathing

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