HONEYWELL Honeywell H801V Standard Valve Mask Anti-Haze Anti-PM25 Mask Wholesale

H801V is a mask with an exhalation valve developed based on the H801 product. It
retains all the design and advantages of H801, while adding an exhalation valve with excellent performance. It has a
wide range of applications, excellent design, excellent performance, and a perfect combination of comfort and Product safety is one of the most cost-effective cup-shaped masks with valves on the market.
Applications: Widely used in construction, mining, textiles, manufacturing, wood processing, pharmaceuticals, electronics, automobile manufacturing and other industries that protect against dust particles.
It is especially suitable for use when the temperature or humidity is high, which can effectively improve the stuffiness and water vapor accumulation during use. The
working principle of the exhalation valve
In the working environment of hot and humid or poor ventilation or heavy labor, the use of a mask with a breathing valve can be used in Feel more comfortable when exhaling.
The working principle of the breathing valve is: when exhaling, the positive pressure of the exhaust gas blows open the valve plate to quickly exhaust the exhaust gas in the mask, reducing the stuffiness when using the mask; and the negative pressure during inhalation will automatically close the valve. To avoid inhaling pollutants from the external environment