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G0738 Hanging Air Filter, 3-Speed

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Forum topic by WoodNDust posted 09-24-2012 05:38 AM 5351 views 0 times favorited 15 replies Add to Favorites Watch
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WoodNDust

181 posts in 793 days


09-24-2012 05:38 AM

I’ve been looking at ambient air cleaners to supplement a dust collection system. I noticed that Grizzly has come out with a this new one – G0738. Anyone using one of these? Worth it?

Thanks in advance.


15 replies so far

View Tennessee's profile

Tennessee

1467 posts in 1201 days


#1 posted 10-03-2012 07:01 PM

Well, I bought one, it looks fine, seems to put out the advertised amount of air, and has an all steel squirrel cage and motor. I don’t have it hung yet, but that seems to be a fairly simple thing, even with my low ceilings. I love the three speeds and the remote. For $199, plus $16 shipping, I’d probably pay at least half that much to build my own, not counting my 4-5 hours to build it, so I consider it a good deal. Came with a one year warranty, made in China.

We’ll see how it does in real life. If it picks up a lot of dust, I plan on a second to set up a circle of air and rid my shop of hanging fans.

-- Paul, Tennessee, http://www.tsunamiguitars.com

View Loren's profile

Loren

7732 posts in 2335 days


#2 posted 10-03-2012 07:10 PM

The best thing you can do is vent your dust collector outside.

Ambient cleaners work well though. You cannot see the finest
dust and it will blow right through most dust collector filters. I
reckon the lower pressure of the ambient cleaners helps the
dust not blow through as much. Some have electrostatic filters
in them which I think is a good idea.

My opinion is those ambient cleaners (I have one, a JDS) are pretty
much all the same. Most have remote controls and timers
these days and the size of the cabinet sort of dictates the size
of the blower and hence the CFM. The differences from brand
to brand are likely to be in the available filters.

-- http://lawoodworking.com

View WoodNDust's profile

WoodNDust

181 posts in 793 days


#3 posted 10-03-2012 07:31 PM

Tennessee – thanks for posting. I’d be interested to know your thoughts on performance. I ended up buying the G9956 based on a couple of reviews that I read on LJ. A big factor was being able to use a standard furnace filter for the pre-filter.

Loren – I agree about venting the dust collector outside, though for folks living in cold northerly climates, that can create heating problems. For my shop space, I’m working on sealing the shop from the rest of my house and then running a dust collector and ambient air cleaner. I’ve also read Bill Pentz’s work and am basing my set-up on his good work. The big factors seem to include utilizing a powerful enough dust collector motor, using 6” dust collection ductwork, having enough dust collection ports at each machine, and having very fine filtration on the dust collector around 0.5-1.0 micron.

View toolie's profile

toolie

1768 posts in 1315 days


#4 posted 10-03-2012 09:16 PM

if you’re cheap like me, these work well, according to wood magazine:

control for same:

-- there's a solution to every problem.......you just have to be willing to find it.

View TeamTurpin's profile

TeamTurpin

85 posts in 748 days


#5 posted 10-03-2012 09:41 PM

Hello all. New forum member here from central Oklahoma.

Here’s what I did in my new workshop. I had an unused squirrel cage fan that I salvaged from a computer rack years ago. I finally put it to work. I built a plywood “funnel” on the input side that would hold a standard furnace filter. That power receptacle is connected to a one-hour spring timer, so I can lock it ‘on’ or just set it to run for 30 minutes or so after I leave the shop. It works great. (And, of course, it was free!)

-- http://www.teamturpin.org/house/shop.htm

View Dusty56's profile

Dusty56

11663 posts in 2375 days


#6 posted 10-03-2012 10:03 PM

”A big factor was being able to use a standard furnace filter for the pre-filter.”
Are you saying that you installed another filter ahead of the two stock filters , or that you replaced the 5 micron filter with a “standard” filter ? What is the micron rating of the “standard” filter ?

-- I'm absolutely positive that I couldn't be more uncertain!

View WoodNDust's profile

WoodNDust

181 posts in 793 days


#7 posted 10-04-2012 12:35 AM

toolie – nice fan ambient filter! I like the black pipe holder and the professional fit of the filter. You got this design from Wood Magazine? Which issue?

TeamTurpin – great use of salvaged goods! Nice design.

Dusty56 – I still have the stock pre-filter. Actually, I haven’t used it yet since I just got it this past week. But it accepts a standard sized filter, so I could use a higher Merv rated filter – the kind sometimes labeled for allergy reduction, fine dust, etc. I was also pointed to a nice electrostatic filter sold by Penn State Industries.

View toolie's profile

toolie

1768 posts in 1315 days


#8 posted 10-04-2012 01:06 AM

woodndust ….... wopod magazine did a feature on air filters and one of the alternatives they discussed was what i did with the box fan. in their effort, bungee cords were used to hold the furnace filter to the box fan and they noted that while it wasn’t a $300 air filter, it was surprisingly effective. if you search their index for shop air filters, you’ll be able to determine which issue this appeared in. if you’d like more pics or info about the project, PM me and i’ll gladly help out.

-- there's a solution to every problem.......you just have to be willing to find it.

View Everett1's profile

Everett1

208 posts in 1221 days


#9 posted 10-04-2012 01:20 AM

Agree with Loren

I installed a dryer vent out of the side if my garage. World of difference

I’ve made one out of old powerful computer fans

-- Ev in Framingham, MA

View Greg..the Cajun  Box Sculptor's profile

Greg..the Cajun Box Sculptor

5178 posts in 1995 days


#10 posted 10-04-2012 01:33 AM

I have a Jet hanging air filter that is about 4 years old. It uses the 12×24 filters and works good except that it has a mind of its own. I can turn it off with the remote and it occasionally just turns itself back on hours later…sometimes later. A haunted air filter?
I also have 3 air filter boxes I made out of plywood that have squirrel cage blowers in them. Two of them use 20×20 filters and the third one uses a 12×24. The work every bit as good if not better than the Jet, cost much less to build and stay off when I turn them off

-- We all must start somewhere in our journey of doing what we love to do.

View joeyinsouthaustin's profile

joeyinsouthaustin

1268 posts in 759 days


#11 posted 10-05-2012 02:20 PM

My version of the box fan filter. I mount one right above each dust collector and have several around the shop. They work well to cool you off with clean air as well.

-- Who is John Galt?

View Tennessee's profile

Tennessee

1467 posts in 1201 days


#12 posted 10-06-2012 11:38 AM

WoodNDust:
I have it hung, and I have to say, the first thing I noticed was how much dust the 5 micron pre-filter stops. The 1 micron filter is not very dirty yet, as I’ve only had it up two days. Obviously the shop is cleaner air wise. It is very quiet, but still puts out a fair amount of air at the 409CFM setting. Of course, if you have your ROS on a piece of exotic hardwood, and you have your face fairly close watching the action, you still need a mask since the filter unit is up over your head. But I hope to reduce the amount of dust that always seems to accumulate around the whole shop. I had maple dust all over my hands yesterday, and clapped them in the air and watched the cloud get sucked right in.
Also, my shop is small, only 12’ by 24’. One going one way, a second the other should provide me with a nice circle of air.
It hung tight to my low ceiling, using allthread put through two joists, and hanging the provided hooks on S hooks I put on the allthread. It takes a fairly easy to find 10X20 5 micron pre filter. The only hiccup is that it is two inches deep, so I may have to stack two one inchers. The provided 5 micron can be blown off outside, and the inside one is washable. I plan on experimenting on some 5 micron filters later, unless the Grizzly replacements are competitive.
I liked it so much I ordered a second one this morning to set up that circle of air I talked about.
Also,1 amp power draw is about the same as a single 100 watt bulb.

-- Paul, Tennessee, http://www.tsunamiguitars.com

View WoodNDust's profile

WoodNDust

181 posts in 793 days


#13 posted 10-06-2012 06:24 PM

Tennessee – glad you got yours hung up. You know my shop is small too. I hadn’t really thought of two ambient filter units for that reason. Now I wish I had done what you did. Two units will capture most of the airbourne dust throughout the shop. Will one remote control both units or are they on different frequencies? Cool to see some pics of your setup.

View jacktheripper's profile

jacktheripper

7 posts in 2033 days


#14 posted 11-04-2012 12:26 AM

The box fans are great. How can you beat a $15 fan and a $3 20×20 pleated filter. I have 3 in my 3000 sq ft shop next to a belt sander, a tablesaw, a cnc to pick up the fine dust the collectors leave. I got high tech and added channels on the sides of the fan for easy changing.
Always used to use these demonstrating at the woodworking shows.

Jerry

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WoodNDust

181 posts in 793 days


#15 posted 11-04-2012 03:21 PM

Jerry – I’m sure they work great! Thanks for sharing.

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