Does someone have a good place to purchase smooth interior flex hose?

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Forum topic by Angela posted 01-04-2011 12:12 AM 1947 views 0 times favorited 4 replies Add to Favorites Watch
View Angela's profile


205 posts in 3131 days

01-04-2011 12:12 AM

Topic tags/keywords: dust collection ductwork flex hose hose

I’m starting to build the duct work in my garage and I’ve heard about smooth interior flex hose. I’ve heard it’s out there and it’s expensive but I haven’t located a place to purchased it. I would like it in 5” can anyone recommend a place? I’m in the LA, CA area but don’t mind order over the Internet

-- - Helping other woodworker's

4 replies so far

View NBeener's profile


4816 posts in 3409 days

#1 posted 01-04-2011 12:20 AM

I’ve been looking into this subject a lot, lately.

Here’s my conclusion:

No such thing.

If you look at Bill Pentz’s site, he makes reference to this sort of hose, and recommends Wynn Enironmental’s product:

Flex hose—by its nature—isn’t smooth on the inside. I haven’t found any exceptions.

What I’m most likely to do: use SHORT lengths of flex hose as the “first mile” and “last mile” (maybe 3’ lengths, in each case) and attach them to lengths of either PVC or galvanized spiral pipe

For my money, I think this will work best.

Further notes:

I’m going to do the stovepipe modification to my Harbor Freight DC, and …

- run a short hose > spiral pipe > short hose FROM my DC TO my chip separator, and
- run a short hose > spiral pipe > short hose FROM my chip separator TO my tools.

I think that’s going to be as good as it gets.

Good luck !

-- -- Neil

View NBeener's profile


4816 posts in 3409 days

#2 posted 01-04-2011 12:41 AM

By the way ….

The reason I started wondering about/looking into all this is ….

My HF DC has a flex hose ON IT—from the impeller to the filter/bag.

I then run a 10’ flex hose from the DC to the chip separator.

FROM the chip separator, I run a 28' flex hose TO the tools.

My gut told me that the 28’ hose was EATING up CFM (flow rate).

Taking the 10’ flex hose RIGHT OFF the DC … bypassing the chip separator … and plugging it RIGHT INTO my planer … made a HUGE difference in suction (absolutely no dust/chips came out of the planer, when planing).

So … I KNEW the separator would cost me some CFM (I think it’s actually static pressure), but began to suspect the flex hose was costing a WHOLE LOT more.

Two sources on this site I hope will chime in: dbhost and crank49—both of who know a LOT about these matters !

Cheers !

-- -- Neil

View Angela's profile


205 posts in 3131 days

#3 posted 01-04-2011 05:59 AM

Thanks for the info.

Neil…. I checked out the website link you provided regarding the stove pipe. I have a Delta so the motor sets differently. I did notice in his photo that he is using the green PVC. That’s what I’m trying to work out right now in my shop. It just seems like the more I try to organize my shop the worse it gets.
I look at other people’s workshop photos and they seem to have all the same tools I have but in nice neat order with the proper duct system in place. I’m still trying to figure out the best location for my tools so I can put the duct system in.

-- - Helping other woodworker's

View Dark_Lightning's profile


3367 posts in 3344 days

#4 posted 01-04-2011 06:17 AM

I use 2” ABS, glued together. I ran it from the Dust Deputy on top of my Ridgid shopvac, up about 4 feet into the rafters, over about 10 feet, then down about 5 feet. I hooked up a flex hose from Rockler to the original Ridgid hose and attachments. It has only clogged once, when I sucked up mass quantities of plane shavings. It’s a small tube so now I sweep up the big pieces first. I use that flexible Rockler hose to hook directly to my compound miter saw and router. It picks up most of the output.

-- Random Orbital Nailer

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