Model Number: AQ02B004-#3356 Brand Name: ESA Key Specifications/Special Features: 2016 brand new safety gas face mask, hot sale anti-gas safety mask, new arrival portable anti-gas mask AQ02B004Name 1: new anti-gas safety maskName 2: anti-gas safety maskCertification: CE149/NIOSHUsage: Anti-poison gas maskApplication: Chemical industryFeature: BreathableType: EarloopFunction: Anti-gasMaterial: SiliconeColor: Optional

Check the filter and face piece which should be intact. Make sure that the valve and device are in right position, if there is abnormal, please replace the new one.
If the cartridge is damaged, damped or users feel hard to breath or smelt the smell. Please leave the working place as soon as possible. Then replace the new cartridge for security.
Please clean the dust which covered on the cartridge. Don’t us high pressure jet or water.