Several models of heat exchanger coils have drawer-type casings that allow for the easy removal of finned tubes and headers for maintenance. A spiral fin design provides maximum efficiency with a choice of fins to suit requirements for various applications. Tubes are available in a range of materials with outside diameters of 5/8 or 1". Supply and return connections can be located to match customer piping requirements. Circle 221, ITT Standard, (716) 862-4061, www.ittstandard.com.