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Cross beams
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06-30-2013, 09:08 AM
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nailbender
Montana Master
Join Date: May 2006
Location: Oakland
Posts: 887
M.O.C. #5811
If what you are looking at is 2" wide and 1" high channel iron, that is the supports for the black and gray tanks. Sagging down is normal, our is also like that.
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