le for indoor,Website:http://www.elemenheating.com, outdoor and hazardous environments. Many options are available. Since we are a made to order company, we can offer a large selection of sizes and configurations. Please contact us for assistance with your application.2. Specification (1) Material: SUS304, SUS316, Copper, Incoloy800&840, Titanium(2) Standard Tube diameter: 6.6mm, 8.0mm and 11mm(customized).(3) Volt&Watt: 208v 5000w, 3 phrase(4) Total Length: 460mm(5) Flange: 67mm*67mm square(6)