Speaker Box Fume Extractor Instructables
3) to 2mm Active Carbon Filter. You can search it as aquarium filter. 4)12v PSU (Preferable a variable supply. Because sometimes you will need less airflow in your work area.) A speed controller circuit can be used with a fixed 12v PSU. 5) Hotglue gun, soldering unit, tools for cutting/drilling wood, some cables. 6)ON/OFF switch and