They usta use slabs of foam rubber to filter the air for copier machines. Furnace filter material would work too.
You can also remove a motherboard and wash it in the sink. should be dry after 8 hours. In most cases, removing the power supply and remounting it outside on the back of the case works. even with the fan, it aint sucking dirt inside the pc case. -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]