Air Purifier

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Project by airfieldman posted 10-11-2011 06:03 PM 2290 views 7 times favorited 7 comments Add to Favorites Watch

I saw this concept in a magazine, except they used a full box fan. Having limited head clearance in my shop (garage) I decided to go with the window fan and smaller filters.

I work with MDF a bit, and really wanted to get that out of the air, so I wouldn’t have to wear the mask quite so long. Seems to do the trick.

-- Measure with a micrometer, mark with a crayon, cut it with a chainsaw.

7 comments so far

View dbhost's profile


5767 posts in 3428 days

#1 posted 10-11-2011 06:25 PM

Interesting. I wonder how well that window fan idea pullls through the filter. I know I used a box fan / pleated filter for a while and it was okay at best… But it was a very cheap box fan at that… Not much oomph to overcome the resistance of the filters…

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View cdbridge39's profile


167 posts in 3121 days

#2 posted 10-11-2011 06:56 PM

I really need to get better dust control in my shop. This is a good idea !!!

-- If it ain't broke don't fix it, if you fix it make it better than it has to be.

View bob62's profile


160 posts in 2814 days

#3 posted 10-11-2011 07:24 PM

Great Idea! I willl be building one of these! Thanks for the project airfieldman!!!

-- Robert, Mississippi,

View Knothead62's profile


2600 posts in 3158 days

#4 posted 10-11-2011 10:49 PM

Nice! My wife saw a TV show where they used a box fan. I put the fan on the floor near the workplace. I secure a furnace filter with a bungee cord and let it go on high! Works great! I was surprised at how much dust it pulled into the filter.

View DocSavage45's profile


8715 posts in 3039 days

#5 posted 10-12-2011 07:34 AM

Just have to remember to change the filters to keep the air flow moving. They sell washable filters you can cut to size which would improve the filtration and keep the costs down? Great idea.

-- Cau Haus Designs, Thomas J. Tieffenbacher

View John_G's profile


165 posts in 2888 days

#6 posted 10-12-2011 05:28 PM

How well is this working for you? I have 2 of these exact fans, and could make the same thing and even put them in tendem. Does it really have enough power to circulate the air in your shop….?

-- John Gray

View jajluni's profile


5 posts in 2611 days

#7 posted 10-16-2011 11:41 AM

I believe you saw this in WOOD Magazine???:)

-- wood is like a woman...looks better with age....until it gets reallllllyyyyy old;)

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