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Tests show that Griffin's radiator with 2 rows of 1" wide tubes are equivalent to a copper brass radiator with 5 rows of 1/2" tubes. Coolant capacity increases by 25% while the unit weight (empty) is up to 60% less. Aluminum provides high efficiency, is lightweight, and lasts longer too. Griffin's all welded construction is further reinforced with an internal epoxy coating.
http://www.quadratec.com/products/51210_2013.htm
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