... , swimming pool, waste water. FeatureAnthracite filter media is used for filtration of purification water, acid and base, oil separator and sewage ... electric property than sand, with electric absorption effect,high rate filtration.(3) high removal rate, anthracite filter media has wide absorption ... %≤0.04S %0.5maxloss of ignition%≥98void ratio%50max Anthracite Filtration media