Dual Media Filter contain anthracite in combination with sand supported by pebble and gravels. This filter consists of a layer of anthracite (1.25-2.5mm) resting on a layer of fine sand (1 mm - 1.5mm) Anthracite is coarse and has more dirt holding capacity as compared to sand.
As an environment concerned organization, we design and develop water treatment plant, effluent treatment plants, water treatment chemicals, sewage treatment plants, etc. by following strict quality control mechanism at our organization.
More details:View company website