Can you imagine how many interesting things are hiding inside the ventilation duct in your house? Lost rings, coins, lego parts - it's all there! Not to mention dirt, dust and mold that go from the vents and right into your lungs. This video instructable explains how to build a $30 device that will reveal this world to you.
The video isn't there. Please post a link. Did you copy the embed code right?
Got it! I used the "new youtube embed code" instead of old one. Thank you for letting me know about the problem!!
It's alright! Anytime!
There should be an <b>[Edit]</b> button in the right-hand sidebar, in the yellowish &quot;Author Options&quot; box. Or, if you go to your profile and select <b>Instructables</b>, each one should have a little &quot;(edit)&quot; link next to the title.

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