Big Wet/Dry VAC Drywall filters? - Router Forums
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post #1 of 15 (permalink) Old 07-02-2013, 10:04 AM Thread Starter
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Default Big Wet/Dry VAC Drywall filters?

You guys know I have that monster converted commercial truckmount wet/dry vac... Even though I have the DC up, I'm still using it to clean up my shop. Even though I have it on a separator, I have a problem with fines blowing out it...

I've been trying to find drywall filters big enough to fit it. The ones I find in Lowes and Home Depot are the small ones for "Shop Vac" Wet/Dry Vacuums, which are a lot smaller that this is...

Does anyone know of someone that sells larger ones and for what make/model application?

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post #2 of 15 (permalink) Old 07-02-2013, 10:42 PM Thread Starter
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Never mind.

First I was thinking of buying a big vacuum bag. But really not the right thing.

Looked at cut-to-fit 3 layer vacuum filer material. 24" x 24" is $20.

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post #3 of 15 (permalink) Old 07-02-2013, 10:52 PM
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Either that or pre-fill your vac with some water and use the water to filter the fines out like a pre 1955 automotive air filter. The water would get pretty yucky.

Someone I consider a master woodworker once told me that a master woodworker is not someone who never makes mistakes. He is someone who is able to cover them up so that no one can tell.
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post #4 of 15 (permalink) Old 07-02-2013, 11:21 PM
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Sears has 20 gallon shop vac bags for drywall dust. They work great for MDF dust too.

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post #5 of 15 (permalink) Old 07-03-2013, 11:13 AM Thread Starter
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Quote:
Originally Posted by kp91 View Post
Sears has 20 gallon shop vac bags for drywall dust. They work great for MDF dust too.
Here's a picture from my uploads:

Inside , under the motor, it has a cage with a 4.5" ball, that shuts off the flow it full of water. Around that is a plastic cone. (edit- not really a cone. more like a tapered tube)

The sear 20 gallon shop vac drywall filter looks like this:

That won't work... Unless maybe I cut the bag up into a circle and used it as filter paper like a standard drywall filter, like the next photo...

I was thinking something along the lines of these:

The plastic cone on mine could hold something like those in place if I could find or make something big enough.

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"Usually learning skills and tooling involves a progression of logical steps."

Last edited by MAFoElffen; 07-03-2013 at 12:28 PM.
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post #6 of 15 (permalink) Old 07-03-2013, 12:38 PM Thread Starter
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Here's a quick pic of the underbelly. That's a course bag on there. I suppose just to keep pieces out of the 2-stage impellers.

Charles- I'm embarrassed that I remember when those oil-bath air-filters were common... But where would I put an oil bath where bigger and mass amounts of dust wouldn't muck it up? On cars, they were meant for "just" fines, with not much of an occurrence of anything else // unless a mouse crawled in there to make a nest...
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"Don't worry, I saw this work in a cartoon once."
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post #7 of 15 (permalink) Old 07-03-2013, 05:30 PM
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Yeah, dumb idea. You are thinking about filtering everything that goes into the drum. How about just attaching a filter to the exhaust, possibly on the outside of the drum? That would be much smaller and, depending on what you come up with, could be easier to clean.

Someone I consider a master woodworker once told me that a master woodworker is not someone who never makes mistakes. He is someone who is able to cover them up so that no one can tell.
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post #8 of 15 (permalink) Old 07-03-2013, 05:31 PM
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Hey Mike... have you checked to see what Grainger might offer?

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post #9 of 15 (permalink) Old 07-03-2013, 06:32 PM
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Mike
you might try
PARKER Filter Bag, Polyester, 1Micron, PK10 at Grainger
you would have to build a frame inside to hold the bag open
search Grainger for bag filters
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post #10 of 15 (permalink) Old 07-04-2013, 02:14 AM
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Mike I just checked McMaster Carr. I think they may have exactly what you need, even though they are kinda pricy on stuff.

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