Thread: 1/2ID vs OD
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Unread 11-01-2003, 07:09 PM   #4
redleader
Thermophile
 
Join Date: Jun 2001
Location: The deserts of Tucson, Az
Posts: 1,264
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1/2 OD = 3/8 inch tubing (tube is generally measured by ID, not OD).

Smaller tube will never improve performance. It may not hurt it, but it will not improve it. Just keep what you have unless you're having problems with it.
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