Quick insert structure, convenient and quick replacement of filter; Appearance concise air.
快插结构，更换滤芯方便快捷；外观简洁大气。
2
This kind of filter keeps a lot of merits such as compact structure, small insert loss, fine controllability, wide adjusting range, rapid response rate, good repetitiveness and so on.
这种滤波器结构简单、插损小、易于控制、可调范围宽、响应速度快以及重复性好。
3
Check the inner and outer sides of the foam insert and the filter paper inside the tilter.