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Project by kiefer posted 07-21-2016 08:12 PM 2383 views 5 times favorited 13 comments Add to Favorites Watch

I posted this experiment which I did with my dust separator recently and thought maybe I can hook up a dust filter to my dust collector since I only use the 5” hose most of the time .
A simple wall mounted box made from scraps to fit the filter which I got from my daughter and it’s used but plenty good to use in the shop . Hooked it up to a 4” hose direct from the dust separator and sucks a lot of CFM and made a quick connect strap to hold it in place so if I want to use it on my drill press or mobile sanding station it’s quickly done .
The filter box is mounted high on the wall and behind my table saw where most of the dust is generated and it seems to do a good job and turns on with the dust collector switch which is located on my table saw .
This is in addition to the air filter I have mounted near the ceiling which actually does not work all that well and this being hooked to the dust collector has a lot of suction and will help clean the air more quickly .


-- Kiefer

13 comments so far

View hoss12992's profile


4073 posts in 2070 days

#1 posted 07-21-2016 08:24 PM

Love the ideals that you come up with. That is awesome. Great job and thanks for sharing buddy

-- The Old Rednek Workshop

View jaykaypur's profile


4017 posts in 2585 days

#2 posted 07-21-2016 08:41 PM

That’s a great idea and super job! That is one heck of a filter too, I bet it does a nice job !

-- Use it up, Wear it out --------------- Make it do, Or do without!

View DocSavage45's profile


8706 posts in 3019 days

#3 posted 07-21-2016 09:15 PM

Great idea and nice free filter. That said it’s on of the more expensive filters? do you have a free supply Klaus? Like the use of the existing vacuum rather than a seperate fan, but my dust collector is not sucking well at present and it’s to hot and too humid. 85% in the shop right now. I will keep this variant in mind. Thanks!

-- Cau Haus Designs, Thomas J. Tieffenbacher

View Jim Jakosh's profile

Jim Jakosh

21549 posts in 3282 days

#4 posted 07-21-2016 11:09 PM

Real neat and simple, Klaus. Good solution!!


-- Jim Jakosh.....Practical Wood Products...........Learn something new every day!! Variety is the Spice of Life!!

View doubleDD's profile


7780 posts in 2220 days

#5 posted 07-22-2016 12:16 AM

I like the idea Klaus. Two birds with one stone. Something to consider since its an easy build.
Do you keep your ceiling air filter going the whole time you are in the shop? Mine works great, I’m always cleaning or changing that filter.

-- Dave, Downers Grove, Il. -------- When you run out of ideas, start building your dreams.

View tyvekboy's profile


1817 posts in 3190 days

#6 posted 07-22-2016 02:55 AM

Great idea. Got to try that sometime when I find a used huge filter like that.

-- Tyvekboy -- Marietta, GA ………….. one can never be too organized

View kiefer's profile


5620 posts in 2844 days

#7 posted 07-22-2016 03:53 AM

Thanks guy’s
A simple idea and since the dust collector is running anyway and the material and filter are free why not try it and get rid of more of the fine dust ,the other filter just takes too long and a lot of it settles on the floor or shelf’s or my wife’s car and that is trouble .


-- Kiefer

View Bricofleur's profile


1457 posts in 3370 days

#8 posted 07-22-2016 12:32 PM

Clever. I keep that in mind. I have a free 4” port on my dust collector (a King Indus. too) and it would be just right for this purpose. Good project for next Fall. Thank you for sharing such good idea (as usual).


-- Learn from yesterday, work today and enjoy success tomorrow. --

View LesB's profile


1838 posts in 3620 days

#9 posted 07-22-2016 08:33 PM

Great use of existing equipment…
Except your are running a large motor (I’m assuming 2 to 3 hp) when you could be using a 1/4 to 1/2 hp motor to run a squirrel cage blower type motor (a used home furnace type is what I use) with a big savings on electricity and it can run continuously while your are working not just when the dust collector is on.

On mine the blower is inside the box and vents out the side. During the winter it blows over my wood stove and circulates the heat in the shop too. The blower came from an air handlers in the home heating system that circulated air in a 2000 sq. foot house so it moves a lot of air and really helps keep the shop, and my lungs, clean.

-- Les B, Oregon

View kiefer's profile


5620 posts in 2844 days

#10 posted 07-22-2016 09:36 PM

The whole point is that when the dust collector is running I can use it to remove dust from the air and it takes no extra electricity and I also get these filters for free and have quicker filtering when the dust is created . I have another air filter with a small motor that runs all day and shuts off later at night .

-- Kiefer

View kiefer's profile


5620 posts in 2844 days

#11 posted 07-22-2016 09:39 PM

Thanks Serge
Give it a try and I think it will work for you also and you may even have an idea to improve it .


-- Kiefer

View Roger's profile


20949 posts in 2981 days

#12 posted 07-23-2016 02:39 PM

Super Klaus. Always thinking and fabricating.

-- Roger from KY. Work/Play/Travel Safe. Keep your dust collector fed.

View Blackie_'s profile


4883 posts in 2689 days

#13 posted 08-08-2016 10:42 AM

Great idea, Thanks for sharing Klaus.

-- Randy - If I'm not on LJ's then I'm making Saw Dust. Please feel free to visit my store location at

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