User Manual Q&AAnswer
Jan 18, 2025 - 03:48 AM
The EXTOL PREMIUM FFP3 Exhalation Valve Particle Filter Respirator is designed for single disposable use and should not be used for longer than the duration of one work shift. The lifetime of the respirator depends on the concentration of particulates in the workplace and the activity of the user. If the respirator becomes damaged, breathing resistance increases significantly, or if dust or other harmful substances penetrate through the respirator, it should be replaced with a new one. The expiry date of the respirator is provided on the sales packaging.
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