For those obsessed with air filtration, this series covers everything you need to know to design and build a DIY air cleaner for your home or shop.
Part 1 My favorite shop tool gets some upgrades! I replace the 3000CFM fan with a 4000CFM fan. Will I get the performance boost I am expecting?
Part 2 Building a Corsi-Rosenthal Filter Box. This is the lowest cost option for a high-flow DIY air filter. How good is it?
Part 3 Put all the DIY air filters to the test! Which is best? We break down how much air each unit can process…
LINKS! The videos above mention a lot of particular products. Buying them helps support the channel!
FANs (For all versions):
Enclosed Motor Caterpillar 4000CFM fan (black) https://amzn.to/3TD9NM3
The original 3000CFM Maxx Air Fan (orange) https://amzn.to/3fXokQC
Lasko 20in Box Fan (best Corsi-Rosenthal price): https://amzn.to/3c3nVNF
Air King 20in Box Fan (best Corsi-Rosenthal performance): https://amzn.to/3Tbzl1O
MERV 14 FILTERs (best small particle capture):
Nordic Pure 20x20x1 (12 PACK): https://amzn.to/3O6GGgr
Nordic Pure 20x20x1 (6 PACK): https://amzn.to/3o5Ge7E
Nordic Pure 20x20x4 (1 PACK): https://amzn.to/3AYyiwC
3M Filtrete 20x20x1(2 pack): https://amzn.to/3duBAxY
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
MERV 13 FILTERs (almost the best small particle capture):
3M Filtrete 20x20x1 (4 PACK): https://amzn.to/3c5wZlu
Filter Buy 20x20x1 (4 PACK): https://amzn.to/3wdtCjk
3M Filtrete 16x20x1 (4 PACK): https://amzn.to/3RjkH7B
AIRx 16x20x1 (9 PACK): https://amzn.to/3S4y8Zt
MERV 12 FILTERs (good small particle capture):
Nordic Pure 20x20x1 (6 Pack): https://amzn.to/3O6HaTN
Nordic Pure 20x20x4 (1 PACK): https://amzn.to/3crRhpm
3M Filtrete 16x20x1 (4 PACK): https://amzn.to/3y2vgW6
Nordic Pure 16x20x1 (6 PACK): https://amzn.to/3D3M2GY
MERV 11 FILTERs (minimal small particle filtration):
K&N Washable everlasting filter 20x20x1 (1 PACK): https://amzn.to/3e9MDNn
Aerostar 20x20x1 (6 PACK): https://amzn.to/3q9Z0M4
K&N Washable everlasting filter 20x20x1 (1 PACK): https://amzn.to/3Vq7oWv
K&N Washable everlasting filter 16x20x1 (1 PACK): https://amzn.to/3Vq7oWv
3M Filtrete 16x20x1 (4 PACK): https://amzn.to/3TFlnH8
Filterbuy 16x20x1 (4 PACK): https://amzn.to/3g8Diqe
MERV 8 FILTERs (for large dust particle collection only):
Nordic Pure 20x20x1 (6 Pack): https://amzn.to/3Rz9T6G
Nordic Pure 20x20x4 (1 PACK): https://amzn.to/3IPFSM1
3D PRINTED PARTs (Build at your own risk):
Air Filter Clips: https://www.thingiverse.com/thing:5366495
Drum Fan Edge Clamps: https://www.thingiverse.com/thing:5501226
BUY 3D PRINTs (if you don’t have a printer):
Air Filter Clips: https://www.etsy.com/listing/1210663842
Drum Fan Edge Clamps: https://www.etsy.com/listing/1287743212
Air filter Clip Wrench: https://www.etsy.com/listing/1323881337
GAFFER TAPE (best option for taping up your Corsi-Rosenthal):
Better than duct tape for this use https://amzn.to/3AR6E4Q
DIGITAL ANEMOMETER (use one of these to test your own air filter):
For testing wind speed https://amzn.to/3OkzmhF
SHOP AIR FILTER DRAWINGS Build at your own risk! The 3D Handyman and 2 Point Media are not liable for any injury or property damage or death associated with these designs.
Original Air Filter – 1340CFM Portable Design
Beastie Boy – 4000CFM Ceiling Mounted Design
Compact – 1700CFM Ceiling Mounted Design