![](https://urbangardening.ie/1561-large_default/caluma-carbon-filter-4-280m3h.jpg)
![](https://urbangardening.ie/1561-large_default/caluma-carbon-filter-4-280m3h.jpg)
The activated carbon filter is essential for effective odor elimination in the growbox. The filtration of the air is ensured by the high-quality CTC80 - a powerful layer of 3mm activated carbon. In this way, the activated carbon filter filters all kinds of unpleasant odors from the surrounding air.