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Air Filter Updates & The Science of Air Filtration

I bought a 4000CFM fan to upgrade my DIY shop air filter! MERV 14 filters are also installed and the unit is tested thoroughly. The goal is to filter every last dirty micron of dust out of the air. Unexpected results follow! I'll also talk a bit about MERV ratings and the importance a high airflow. I also shed some light on the real world performance of DIY and Professional air filters. Here is the link to the article where I pulled the "real world" CFM ratings for the PRO air filters: https://www.woodmagazine.com/tool-rev... SHOPPING LIST Buy literally anything on amazon at this link to help support the channel with this link! https://amzn.to/3vdlIqj FANs Caterpillar FAN with enclosed motor (black): https://amzn.to/3TD9NM3 Maxx Air Fan (orange): https://amzn.to/3fXokQC MERV 14 FILTERs (best small particle capture): Nordic Pure 16x20x1 (12 PACK): https://amzn.to/3MqxJ1c Nordic Pure 16x20x1 (6 PACK): https://amzn.to/3Oy9NLg 3M Filtrete 16x20x1 (2 PACK): https://amzn.to/3fsenNQ If you want to close off one side of the unit you can get away with 6 filters. 6 Filters should be suitable for the real world CFM of the fan but will reduce it's capacity especially when dirty. MERV 13 FILTERs (almost the best small particle capture): 3M Filtrete 16x20x1 (4 PACK): https://amzn.to/3RjkH7B AIRx 16x20x1 (9 PACK): https://amzn.to/3Lggyzb MERV 12 FILTERs (good small particle capture): 3M Filtrete 16x20x1 (4 PACK): https://amzn.to/3y2vgW6 MERV 11 FILTERs (minimal small particle filtration): K&N Washable everlasting filter 16x20x1 (1 PACK): https://amzn.to/3Vq7oWv 3M Filtrete 16x20x1 (4 PACK): https://amzn.to/3TFlnH8 3D PRINTED PARTS (Build at your own risk) Air Filter Clips: https://www.thingiverse.com/thing:536... Drum Fan Clamps (pull config only): https://www.thingiverse.com/thing:550... BUY 3D PRINTS (if you don't have a printer) Lots of attachments available! https://www.etsy.com/shop/The3DHandyman BUILDING PLANS - BUILD AT YOUR OWN RISK! Let me know if there are any issues anything. https://the3dhandyman.com/workshop-ai... I'm now on Patreon!!! The reward levels are very basic for the time being but I promise to bring merch and other perks in the future.   / the3dhandyman   The 3D Handyman is a production of 2 Point Media. Stay classy!