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Forum topic by dakremer posted 07-06-2018 04:16 AM 997 views 0 times favorited 7 replies Add to Favorites Watch
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dakremer

2742 posts in 3510 days


07-06-2018 04:16 AM

I built this air cleaner tonight, so I could do a little spray painting out in my garage. Needed to keep all the doors closed (in the garage) because the bugs are awful, and didn’t want them ruining my finish. I even put up some bug strips on the ceiling an hour or so before putting on the finish (killed about 10 flies).

I picked up this metal box with a large filter in it for $5 at a garage sale. Not sure what the original purpose of it was. I just took the back grate off the fan, and screwed on the frame I made, then I screwed the frame to the metal box. Done!

I will probably seal all the seams to make it a little more efficient. Eventually I’ll give it a permanent home and hang it up on the ceiling.

Enjoy!

-- Hey you dang woodchucks, quit chucking my wood!!!!


7 replies so far

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Kazooman

1325 posts in 2371 days


#1 posted 07-06-2018 12:10 PM

I don’t know what you will be spraying, but is there any potential issue with sparking in the motor?

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dakremer

2742 posts in 3510 days


#2 posted 07-06-2018 12:20 PM

I’m spraying some primer and pro enamel paint. I’m sure there is some potential, but I’m not worried about it.

Huge filter before the fan, and it’s a pretty wide open space so not a ton of overspray is making it to the fan anyways. Plus I think the overspray dust will never make it past the filter. After this job is done, it’ll mostly just be cleaning saw dust particles out of the air.

-- Hey you dang woodchucks, quit chucking my wood!!!!

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dakremer

2742 posts in 3510 days


#3 posted 07-06-2018 12:42 PM

I’m spraying some water based lacquer and pro enamel paint. I’m sure there is some potential, but I’m not worried about it.

Huge filter before the fan, and it’s a pretty wide open space so not a ton of overspray is making it to the fan anyways. Plus I think the overspray dust will never make it past the filter. After this job is done, it’ll mostly just be cleaning saw dust particles out of the air.

-- Hey you dang woodchucks, quit chucking my wood!!!!

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Woodknack

12842 posts in 2799 days


#4 posted 07-06-2018 05:54 PM

I think that metal box is part of an hvac unit, I have something similar attached to my heat pump that uses 5” thick filters. I suspect you’d be dead before you built up enough fumes in that big open space to cause an explosion. Looks good. I’ve been saving my old Air Bear filters for something like this.

-- Rick M, http://thewoodknack.blogspot.com/

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dakremer

2742 posts in 3510 days


#5 posted 07-06-2018 09:49 PM

I was surprised how well it worked actually. I painted one coat without it. Left the garage for 10 minutes, and it was still cloudy (paint dust) when I came back in. When I painted the second coat (with the air cleaner running) it didn’t get cloudy at all.

-- Hey you dang woodchucks, quit chucking my wood!!!!

View mel52's profile

mel52

865 posts in 683 days


#6 posted 07-07-2018 05:50 AM

That is a lot fancier than mine. I use a fan similar to yours and just duct taped the filters to the fan. This type of filter works great for me as long as I change the filters now and then.

-- MEL, Kansas

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dakremer

2742 posts in 3510 days


#7 posted 07-07-2018 02:17 PM

It definitely doesnt need to be fancy. Just need to force air through a filter…

-- Hey you dang woodchucks, quit chucking my wood!!!!

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