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Shop made air filter

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Project by povertyridge posted 563 days ago 4240 views 37 times favorited 13 comments Add to Favorites Watch

Like a lot of others on here I found this in an old issue of Shopnotes (the complete small shop 2011). I literally just finished. I can’t wait to use it! I got the blower for free and just took a sheet of 3/4” Birch, pack of 3 filters and a little time in the shop…............ Priceless!

-- --- Chad Franklin, IN ---





13 comments so far

View kdc68's profile

kdc68

1964 posts in 910 days


#1 posted 563 days ago

Nice work….great color scheme in your shop!

-- Measure "at least" twice and cut once

View David Dean's profile

David Dean

513 posts in 1532 days


#2 posted 563 days ago

great job one of them is a most have in the shop.

View Tym's profile

Tym

18 posts in 599 days


#3 posted 563 days ago

I made a similar one last year. Its nice not having the sawdust in the air. One thing that I did to mine that you may want to look at is to change the on/off switch to a timer. That way you can leave the area while it cleans up and then goes off on its own. Great build though!

View AnthonyD's profile

AnthonyD

20 posts in 564 days


#4 posted 563 days ago

that is awesome!!!!

-- AJ DeSantis

View b2rtch's profile

b2rtch

4318 posts in 1681 days


#5 posted 563 days ago

I made one a few weeks ago and I have a timer and a four positions switch for the four speeds fan.
I used 20×25 filters and my last filter is MERV 15.
It makes a huge difference in my shop.

-- Bert

View toddbeaulieu's profile

toddbeaulieu

389 posts in 1637 days


#6 posted 563 days ago

Nice Chad.

Did you work out the CFM? I was thinking of making one, but I couldn’t find any motors over 1,000 CFM. And what I did find was too expensive, especially considering I could get one of the common units at 1,400 CFM for around $350.

View mlp490's profile

mlp490

4 posts in 563 days


#7 posted 563 days ago

Great idea

View Tom Huntley's profile

Tom Huntley

49 posts in 1872 days


#8 posted 562 days ago

Perfect timing Chad! I have a friend in the HVAC business that just gave me a free fan, and now I’m doing some research on air cleaning systems. I found a place on line that sells the same type of heppa filters used in the Jet system for about half price. Figured I would use them in a box like yours. Really liked the other feedback too on timers, fan speeds etc. Thanks again to all. Would love to see a follow up report when your fire yours up. It looks terrific!

-- Tom Huntley - Rochester Hills, Michigan

View rlamb007's profile

rlamb007

57 posts in 1171 days


#9 posted 562 days ago

Great Job – I am sure that will make a nice difference in the shop. Where did you get the blower?

View ROBZ71LM7's profile

ROBZ71LM7

11 posts in 851 days


#10 posted 562 days ago

I would suggest putting your connections (wire nuts) inside a metal junction box mounted inside the filter box.

View povertyridge's profile

povertyridge

43 posts in 580 days


#11 posted 562 days ago

Thanks to all! I’m going to try to address everyone, here goes….

kdc68 – Thanks and I painted it to match our cars, I’m weird like that.

David Dean – Thanks, I’m excited to breath easier!

Tym – That would be best, why style/type of timer are you using?

anthonyD – thanks!

b2rtch – Where did you pick up the switch from? I did try to find one locally with no luck.

toddbeaulieu – I didn’t figure out the cfm’s just yet…. It’s a 1/2 hp and a healthy sized squirrel cage with 4 speeds.. All I know at this point, on high speed it will pull a sheet of paper to it from 3’ away! I advise checking with a local HVAC installer, a lot of times they are more than happy to get rid of the smaller units. Save your $$ and do a little phone work, for $50-$60 you will have a machine 2x better than anything you can buy.. Good luck!

mpl490 – Indeed, wish it was an original one!

Tom Huntley – Perfect! Thanks so much! Happy building and can’t wait to see yours!

rlamb007 – Thank you, I had an old blower laying around from previous home owner. ( it was huge) I am doing a small side jobe and they updated the the HVAC and I was able to score a bit smaller unit. I modified it with a 1/2 hp motor. (it had a 1/3hp motor) the more suck the better!

Thank you all for your feed back. It’s nice to have a community of like minded people!

-- --- Chad Franklin, IN ---

View Grandpa's profile

Grandpa

3098 posts in 1308 days


#12 posted 562 days ago

Tom,
Where did you find those Jet filters you mentioned. Link please,
Thanks

View povertyridge's profile

povertyridge

43 posts in 580 days


#13 posted 562 days ago

Robz71lm7 – I agree, I was excited and jumped the gun on the pic’s, I actually have the box. Thanks for looking out for my safety!

-- --- Chad Franklin, IN ---

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