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Both are good units. Make sure you get the proper size unit for your shop. Mine has a remote start/stop with high, med and low fan speed and automatic shut off after 2, 4 or 8 hours. All are options that I use all the time and the remote is a must in my opinion.
Just a piece of advice. Go to your local lowes or home depot and purchase the cheapest filter you can get that is your units size - generally 12 x 24. Tape that cheap filter over the standard (first) filter on your unit which essentially gives you three filter levels (I tape the edges solid around the unit to avoid dust leakage on the edges). The cheap filter that costs maybe 2 to 3 dollars will catch a lot of the dust thus saving your first filter which is much more expensive (around $20). I will vacuum the cheap filter once or twice before tossing it and taping on another cheap filter. The cheap filter also breathes easily so it does not hinder the performance of the air filtration unit. I get a lot of mileage out of my standard filter (jets first filter) because of the cheap one taped over it. If you were to look at my primary filter you would think the unit does not get used very often. Note, these standard (first) filters are odd size filter which I think they do so you have to buy theirs. I found the filtrate filters at lowes are the same size as what comes with the jet unit and costs the same and looks the same as jets standard filter. It will save you a lot of filter money since these units work very well and will cake filters fairly quickly and that is with a good dust collector running.
Others may have a favorable opinion of the charcoal filter instead of the standard since it is billed to be cleanable. I purchased one and found it a hassle to clean and it fell apart after some cleanings.
I purchased a used Steel City unit which is in the same class as the Jet and JDS. It had a vibration problem when I got it from the previous owner. I just took the unit apart and balanced the fan. Smooth as silk. The filters 12 x 24 that cost 15 - 20 dollars can be purchased in bulk for around $2.50 ea. I usually get 12(case) at a time to save on shipping. I don't like the washable kind. I have one, but haven't used it. I've used one in my air handler for the house...what a pain. Amazon.com also sells them for about $9 with shipping. I'll try to find the info on the ones I buy, they are the same brand that Wood Craft and JDS sells.
I have a JDS in my 22 x 30 shop. It does a good job as long as you remember to keep the filter clean 😉. My remote broke after dropping on concrete. JDS replaced it no questions asked. I give them an A+ for customer service.
Check out the finding for air flow. I was told that JDS test with the filters IN
the machine and Jet Test theirs with the filters OUT. So that would mean that the JDS has more air flow then the JET.
Just what I was told when I bought mine .By the way I own the Jet and love it,I just couldn't afford the JDS.
I have the JDS and am very happy with it. I almost always use the auto shut-off, usually 1hr and vary the speed depending on dust but usually just have it on low.
I have the Jet and it seems sufficient for my shop.
I might try Dale's idea for a pre-pre-filter, but so far I've just blown out the standard filter with the air hose and put it back - sufficient to restore air flow.
I don't know if blowing it out repeatedly reduces the filter's efficiency, but it still seems to get the job done - besides, it's only my lungs. 😀
I also have the JDS and think it does a great job. What I like best about mine are the three speeds and time settings. The pre-filter is easy to clean...just blow it out with compressed air, shop vac or hose. The pleated bag filter needs to be replaced rather than cleaned...but it does a super job of catching the fines. I like Dale's idea of a pre-pre-filter also.
I have a Delta (no longer made) over head air-filter (it also has a built in light). This sits above the lathe.
I also have a DC, with a dust-hood, that I use when sanding.
Lastly I have a ShopFox HEPA filter. What I like about this unit is that I can set it to run for one, two or three hours, then turn itself off. So I can leave it running when I leave the shop and it will continue to collect "fines"
I keep hearing guys say they run their DC when sanding ? What is all the fine dust doing when your turning--going in your lungs.
Also your much better off to vacuum your filters then blow them with compressed air.I worked in a bearing room for jet engine bearings in the Air Force and the guy who changed our filters said never blow them out it makes bigger holes in the filter material,just vacuum them.
I've been having allot of lung problems Doc says from 40 years of smoking but allot from 40 years of wood dust. I now wear a positive pressure face shield and run my dust collector and air cleaner all the time.
Your lungs aren't cheap to replace like filters are.
Please play it safe and protect your lungs.
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