In conclusion, water and contaminants pass via the activated charcoal filter and, due to the filter?s porosity, the substances will most likely are available in make contact with together with the carbon. The van der Waals forces will lead to the substances to become attracted for the charcoal exactly where they'll remain till the filter is washed or replaced. For the contaminant, it is actually dead finish road. For the individual drinking the water, it is actually refreshing and healthier.