Other tweaks included lightweight carbon panels and a roll cage. (evo.co.uk)
Ceramic heaters are very hot heaters that heat the core, but carbon panel heaters spread the heat better, producing a farther far infrared heat that is supposed to be better for detox. (homefitnessguru.net)
The Rejuvenator Portable FAR Infrared Sauna is a lightweight sauna with FAR infrared carbon panels. (homefitnessguru.net)