The CTR-6 is a CO₂ resistant tube roller which provides regulated rocking and rolling of maximum up to 6 rollers and is designed for use specifically in CO₂ incubators. The CTR-6 is specifically designed for use in harsh environments such as high CO₂ and humidity and provides reproducible results for cell culture growth. Removable rollers makes the unit flexible and allows for performing various procedures and techniques with various cultivation vessels. The specially designed remote controller allows for protection of electronics from CO₂ incubator environment.

The CTR-6 incorporates a stepper motor with a guaranteed service life up to 10000 hours. It is also possible to stack up to 3 units, saving valuable bench space.