Great for nano cubes and other size fish tanks.

Enhancing the Nano-ExperienceJBJ introduces the revolutionary MINI Arctica Chiller with NEW Digital Controller! Finally, there is a REAL long-term solution for heat concerns in Nano environments with amazing cooling capabilities beyond thermal-electric and fans, that produce less than minimal results. The Nano-Arctica Chiller handles up to 40gal aquariums. Don`t be fooled by the smaller size.