- We recommend to renew the filters every 6 months. Urban Chili Grow box Carbon Filters are equivalent to 6 months. Each of the 6 activated carbon filters is built up 3 layers. One layer of activated carbon filter fleece one layer of activated carbon pellets and another layer of activated carbon filter fleece.
Due to the 3-layer construction and the fleece with activated carbon, a very high filter performance is given.
With this filter system all unpleasant odors are filtered.