Item Name: 10pcs Air Breathing Filter Accessories Face Cover Mouth Valves Activated. Smart TV Box Android Quad Core HDMI 1080P Wifi Streaming Media Player UK
Feature:
In the hot and humid working environment with poor ventilation or heavy work, the mask with breathing valve can make you feel more comfortable when you exhale
2. The function principle of the breathing valve is to blow the valve plate open under the positive pressure of the exhaust gas when exhaling, so as to quickly exhaust the exhaust gas in the body and reduce the sense of stuffy heat when using the mask, and when inhaling, the negative pressure will automatically close the valve, so as to avoid inhaling pollutants from the external environment.
Specification:
Material: plastic + silicone
Color: white
Shape: round
Size: 36 * 36mm/1.41*1.41''
Quantity: 10pcs
For: face mask
Note:
Please allow 1-3mm differs due to manual measurement.
Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding.
