Reply by Dallas

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Posted on Air filtration

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3599 posts in 2487 days

#1 posted 04-11-2013 07:47 PM

Does it do any good?

I’d have to say it made a world of difference.
I built my own with a high volume squirrel cage out of a squirrel cage from a roof top RV air conditioner. I built a box around it and use 2 20X25 MERV 13 filters on the intake ends. The exit is out the top.

I have it on a pedestal by the wall about 8’ from my work table and using the belt sander without a vacuum collection the system collects about 90% of the dust. Very little dust is left on the table and none anywhere else in the shop.

I’ve been changing the filters about once a month when I use the shop 3-6 hours a day.

-- Improvise.... Adapt...... Overcome!

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