Small air filter

一个小的空气过滤器，适合放在封箱机柜里，制作2个，1个进风，1个出风，模型大小请参考图片，用到一个0825风扇，另需玻璃胶最佳，或502或者滴胶固定密封！滤芯为裁剪了小米圆径为200毫米长的滤芯！A small air filter suitable for placement in a sealed cabinet, with 2 made, 1 for air inlet and 1 for air outlet. Please refer to the picture for the model size. Use a 0825 fan, and it is best to use glass glue, or 502 or drip glue to fix the seal! The filter element is a cut Xiaomi round diameter filter element with a length of 200 millimeters!