KT-202 condenser tube cleaner is specially developed for tube cleaning.
The scope of cleaning area are condensers, coolers, evaporators, heat exchangers etc.
The brush head is high speed up to 900rpm. At the same time, the water is injected from the flexible shaft which can clean the tubes easier.
https://www.ktductclean.com/tube-cleaner/condenser-tube-cleaner.html