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Unread 08-02-2003, 06:11 PM   #2
redleader
Thermophile
 
Join Date: Jun 2001
Location: The deserts of Tucson, Az
Posts: 1,264
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I think its 5/8 OD, however I just force my 1/2 Tygon over it. Since the barb ID is roughly 1/2 inch anyway, you won't be restricting it any with 1/2 Tygon.
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