Cup shaped mask with respiratory valve
Cup shaped mask with respiratory valve
1. Reach EU EN 149:2001 FFP3 standard.
2. The working principle of the breathing valve is that the positive pressure of the gas discharged during exhalation blows off the valve plate to quickly remove the waste gas inside the body and reduce the muggy feeling when using the mask, while the negative pressure when inhaling will automatically close the valve to avoid the pollutants inhaling from the external environment.
3.The design of respiratory valve can reduce heat accumulation, make breathing easier, suitable for high temperature, high humidity, muggy environment for a long time to use.
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XTNU Wholesale Cheap Spa Sanitary Closed Toe Slipp
Xiantao City, Hubei Province, P.R.China
steven@xtnu.com
+8613761963296
WhatsApp : +8613761963296
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