At AIC Heat Exchangers we offer Copper and nickel brazed plate exchangers – single and double wall, Gasket plate & frame heat exchangers, Vertical JAD stainless steel exchangers, Sanitary food grade exchangers, and Corrosion-resistant Marine Heat Exchangers. Our M-Line Marine Alloy Heat Exchanger - a line of completely welded heat exchangers made entirely of a super austenitic marine alloy. Visit our website for more information! https://aicheatexchangers.com/....m-line-marine-grade-