Duda Energy HX2330BWGH:M12 Male Npt Ports Copper Brazed Heat Exchanger Chills a 10 gallon batch in 6 minutes under standard conditions Length: 12.4'', width: 2.9'', height: 2.9'', heat exchange Area: 2.4ft, with m8-1.25 mounting studs Design temperature:-319 Degree to 430 Degree,304 stainless steel inner plates brazed with 99.Percent pure Copper Corrosion resistant, UL listed, CE, Iso 9001:2008, tuvreinland Iso9001:2000 See other heat exchangers by Duda Energy for additional options