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Old 09-13-2008, 10:32 PM   #9
1_T_Scot
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Join Date: 06-03-08
Location: Pontiac Illinois
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3 1" nipples have an equivalent flow area of about 9.45
4 1/2" nipples have an equivalent flow area of 6.28

So would you need 2 more to get enough air?
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