封箱打印ABS材质会产生有毒气体，通过此管件可以将废气通过管道直接排放到室外。配件使用内径30mm洗衣机排水管做管道，使用4040高转速风扇进行送风，可以配合12V可调电源控制风扇转速。

Printing ABS material for sealing the box will produce toxic gases, and through this pipe fitting, exhaust gas can be directly discharged outdoors through pipelines. The accessory uses a 30mm inner diameter washing machine drainage pipe as the pipeline, and uses a 4040 high-speed fan for air supply. It can be matched with a 12V adjustable power supply to control the fan speed.