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Used Oneida dust collector/filters

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Forum topic by Rob posted 09-28-2014 06:18 PM 1244 views 0 times favorited 4 replies Add to Favorites Watch
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Rob

704 posts in 2532 days


09-28-2014 06:18 PM

I’m looking at a used Oneida 3hp dust collector. A friend has a similar system. He mentioned you can clean the filters but occasionally you also have to replace them. On the other hand, he has a really nice shop and I’d be surprised if he didn’t get out there almost every day, so maybe he’s an extreme case.

Oneida’s ASHRAE filter efficiency report only goes up to 5 loadings, but they claim, “filtration efficincy stays at near 100% for years even after repeated, and thorough, cleanings.”

It looks like a lot of people here like their Oneida dust collectors, but how often do you have to replace the filter vs. cleaning it?

-- Ask an expert or be the expert - http://woodworking.stackexchange.com


4 replies so far

View Fred Hargis's profile

Fred Hargis

3930 posts in 1954 days


#1 posted 09-28-2014 07:41 PM

I had to replace mine after 6 years. In my case that was a LOT of cleaning. I used my drum sander heavily, and almost all the finest dust gets to the filter. So, on my worst days, I would have to clean the filter twice per 55 gallon can of dust/ships. Cleaning was usually just blowing it out, then doing an involved 30 minute multi step process. I have a gauge on mine to measure the back pressure, that’s when i knew to clean. After 6 years, I noticed that after cleaning the back pressure reading wasn’t dropping enough; that’s when I bought a new filter. For the record, I got a different make filter that was plug and play on my particular model, cost less than the Oneida, and had 3.5X the media area, and an equal MERV rating….all that for about 1/3 the cost. But like I said, in my case that was after 6 years. BTW, I think you can wash the Oneida OEM filters with water, but I never tried it…that may have made it last longer.

-- Our village hasn't lost it's idiot, he was elected to congress.

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buildingmonkey

242 posts in 1009 days


#2 posted 09-28-2014 11:09 PM

I have a 2hp cyclone, the original filter I replaced after about 8 years, had blown it out numerous times, did some work on the piping and noticed I had a gap between the cyclone and blower, took it apart and put silicone between and now have sealed the leak, find the filter does not collect so much dust now. I replaced my filter with one I got from Wynn environmental.com Increased my filter size, which seems to help with better suction in the system.

-- Jim from Kansas

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Rob

704 posts in 2532 days


#3 posted 09-29-2014 03:26 AM

Thanks for sharing, Fred and Jim.

Fred, do you remember which third-party replacement filter you bought? Was it the Wynn?

I notice that Wynn says there’s no such thing as a cleanable HEPA filter. Oneida does sell a filter that uses GE-certified HEPA media, but they only have an ASHRAE testing report for their spun-bond (SB) filter. I guess Wynn’s assertion is that the HEPA filter no longer provides HEPA-level filtration after cleaning, but Wynn’s comparison chart only shows the SB filter (not the HEPA filter).

-- Ask an expert or be the expert - http://woodworking.stackexchange.com

View Fred Hargis's profile

Fred Hargis

3930 posts in 1954 days


#4 posted 09-29-2014 01:27 PM

I didn’t buy a Wynn, though it was on my list. They (Wynn) said they didn’t have a plug and play filter for mine, I was willing to make baffles and get on to fit, and Dick Wynn was more than willing to help (great guy!) but I found one at PSI that was plug and play, went with that one.

-- Our village hasn't lost it's idiot, he was elected to congress.

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