... 2,kanthal wire inside, high pure MgO 3,CE heating element for waterTubular heaters are used for almost every kind ... like water. Finned tubular heaters are especially for air heating cabinets or tunnels.Flanged heater are easy to install, ... as your requirement. For corrosive enviroment, titanium material or tubular heating elements with additional teflon sleeving are available . FeaturesMaterial: Copper ...