Engine/Safety equipment/331116-331117 MASK DUST PROTECT TWIN FILTER

Designed to prevent the inhalation of dust. Two types of filtering systems are available:  a Mechanical Type which filters fumes and dust through a filter cartridge, and an Electrostatic Type which collects fumes and dust over the filter by static electricity.  It must be noted that these masks are not effective for poisonous gases or vapours.  Also to avoid risk, it must never be used in circumstances where the Oxygen (O2) concentration is lower than 18 %.

设计用来防止吸入灰尘。有两种类型的过滤系统可供选择：机械型通过滤筒过滤油烟和灰尘，静电型通过静电将油烟和灰尘收集到过滤器上。必须注意的是，这些口罩对有毒气体或蒸气无效。此外，为了避免风险，绝对不能在氧气浓度低于18%的情况下使用。