Brand new, unused. This is a set of 8 carbons for Kuroda Seisakusho Kohkento light therapy device. No. 1000 No. 4008 No. 3000 No. 3001 5000 3002 Not for individual sale. Kohkento is a medical device that promotes natural healing by irradiating the human body with light rays similar to sunlight, utilizing the effects of infrared, visible light, and a small amount of ultraviolet light, as well as heat. These carbons are set in the light therapy device and used as electrodes to generate light and heat through arc discharge. Made in Germany, these carbons are considered to be for light therapy devices with relatively higher light and radiant heat compared to Japanese-made carbons. #KOKENTOCARBONS #carbon #lighttherapyKohkento #discontinued #bulk sale #set sale #Kohkento