- 吸入和吸出室内和室外空气
- 吸入灰尘
- 排出有毒气体
- To inhale and exhale indoor and outdoor air.
- To suck in dust.
- To transpire poisonous gases.

- 重量轻，柔韧性好
- 抵抗有毒气体和化学物质能力强
- 使用和安装简单
-  Light and excellent flexibility.
- Good durability against poisonous gases and chemicals.
- Easy to handle and  install