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Old 10-01-2014, 11:00 AM   #28 (permalink)
 
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jocdmd
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Join Date: Nov 2012
Age: 47
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I had the same question - what size is the coupler?
I know the elbow is a 45degree reducer going from 4" to 3.5"
but what size is the coupler???
i'd like to order these and put them on at initial install.
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