What is "kubik"

Kubik is a small controlled-temperature incubator or cooler supplied to the International Space Station for housing scientific experiments by Kayser Italia of Livorno, Italy. The unit features removable inserts for self-contained, automatic microgravity experiments such as those using seeds, cells, and small animals. Kubik is a cubic box container measuring on a side, composed of (from top to bottom) a thermal chamber by by ), thermal block with Peltiers (heat pumps with a hot side and a cold side) including exchangers and fans, and electronic boxes used to control the incubator and inserts.