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By certification 
Pressure balance items
Materital:Brass,O-Ring:NBR,
Working temperature:-40℃ to 125℃，IP rating：IP67/68,Anti-corrosion：PH:1-14
Flame Retardancy：UL94V0,
Advantages:Hydrophobic and oleophobic processing is perfect for achieving better long-term ventilation function.It has the feature of stability, small volume,easy installation,durability,etc.
Application：Solar photovoltaic industry,electronic appliances，communication apparatus，outdoor lighting，etc；
As one of the professional brass ventilation plugs manufacturers, BEISIT is also known as one of the credible such suppliers. We are equipped with a group of qualified workers and advanced equipment, who can provide you with high precision brass ventilation plugs. Welcome to wholesale high quality products made in China with us.
