This is a natural media based filtration technology, which treats water or wastewater with turbidity, odour & colour. in this different layers of graded sand & pebbles are used for filtration.
In activated carbon filter surface area os anthracite is increased to many folds by special process. this helps to trap unwanted odour,colour & gases in water.

BOTH PSF(Pressure Sand Filter) & ACF (Activated Carbon Filter) are offered in manual & automatic modes.