Our 1 year airflow experiment FINALLY comes to it's stunning conclusion - this stuff, it's dusty. For your unrestricted 30 days free trial, go to https://www.freshbooks.com/techtips and enter in “Linus Tech Tips” in the how you heard about us section. Try Tunnelbear for free, no credit card required, at https://www.tunnelbear.com/LTT Buy Fans: On Amazon: http://geni.us/UM1lo On Newegg: http://geni.us/CSFr6 Buy Fan Filters: On Amazon: http://geni.us/K1edNcP On Newegg: http://geni.us/MgVsl Discuss on the forum: https://linustechtips.com/main/topic/900845-1-year-airflow-experiment-the-stunning-conclusion/ Our Affiliates, Referral Programs, and Sponsors: https://linustechtips.com/main/topic/75969-linus-tech-tips-affiliates-referral-programs-and-sponsors Linus Tech Tips merchandise at http://www.designbyhumans.com/shop/LinusTechTips/ Linus Tech Tips posters at http://crowdmade.com/linustechtips Our production gear: http://geni.us/cvOS Twitter - https://twitter.com/linustech Facebook - http://www.facebook.com/LinusTech Instagram - https://www.instagram.com/linustech Twitch - https://www.twitch.tv/linustech Intro Screen Music Credit: Title: Laszlo - Supernova Video Link: https://www.youtube.com/watch?v=PKfxmFU3lWY iTunes Download Link: https://itunes.apple.com/us/album/supernova/id936805712 Artist Link: https://soundcloud.com/laszlomusic Outro Screen Music Credit: Approaching Nirvana - Sugar High http://www.youtube.com/approachingnirvana Sound effects provided by http://www.freesfx.co.uk/sfx/