Fume Extractor Powered by Bench Top Power Supply

Hi there, in this instructable I am gonna show how to make a simple fume extractor that can be powered from a benchtop power supply.here is the parts list2x 12volt fanplastic box2x bullet connectorfilterleftover metal meshand some wire Prepping the case I drilled a hole for the fans and screws. t...
By: hacknmake

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