Expansion device for planting boxes (nft-libra-kit)

摘要

Expansion device for planting boxes, characterized in that it is in the form of a to the planting boxes an adaptable insert (1) is formed which an upper shell (3) and a lower shell (2), as well as a nutrient-supplying-system (4), wherein the upper and lower shell (3, 2) are arranged at a distance from one another vertically.