Box Fan Furnace Filter Air Purifier

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Project by Matt posted 09-02-2015 07:49 PM 2994 views 4 times favorited 4 comments Add to Favorites Watch

Ok, technically this isn’t made out of wood, but it’s for the shop and I thought it may help someone with ideas. I used a filter I got from the hardware that filters down to .5 microns. I added that to a standard box fan that is 20×20 and called it good. I suspended it from the ceiling with chain, and hooked it into a switch that I have so it’s just a push button to turn it on/off.

-- Matt

4 comments so far

View bushmaster's profile


3416 posts in 2516 days

#1 posted 09-03-2015 01:52 PM

Simple but effective, great idea

-- Brian - Hazelton, British Columbia

View HuckD's profile


311 posts in 1948 days

#2 posted 09-03-2015 04:20 PM

It’s amazing what that will capture. When mine gets coated I just take it outside, lean it against a fence and blow it out with a leaf blower.

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View JoeinGa's profile


7739 posts in 2241 days

#3 posted 09-03-2015 07:47 PM

That’s blowing UP, right? because if you have it blowing DOWN, the filter is on he wrong side of the fan.

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View Matt's profile


45 posts in 1282 days

#4 posted 09-07-2015 02:58 AM

yeah, it’s blowing up. :)

-- Matt

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