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Byron Trantham
10-05-2009, 3:12 PM
I have JDS air cleaner in my shop and it has a "horse hair" final filter. Which side is supposed for face the air flow, the rough side or the smooth side?
Thanks.
Jim Finn
10-05-2009, 6:02 PM
I am not familiar with the filter you mentioned but air filters are made to have the air flow over the less dense surface first.
Frank Hagan
10-07-2009, 6:51 PM
Rough side gets the air first. More surface area to trap dirt that way.
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