R.W. Fernstrum & Company

R.W. Fernstrum & Company has been engineering and manufacturing GRIDCOOLER® Keel Coolers for the marine industry since 1949. The GRIDCOOLER Keel Cooler is used for cooling marine propulsion engines, generator sets, reduction gears, and auxiliary systems onboard vessels of all sizes worldwide. Each solution is engineered to meet the requirements of your engine, vessel, and operating conditions.

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