Natural, hard and clean selected anthracite; single or double layered; Used as purification media in filtration units for all kinds of water sources.
- Color: Black
- Density: 50 lbs / ft3
- Diameter: 0,6 – 2 mm
- Uniformity Coefficient: less than 1.7
- Mesh Size: ranging from 14 x 30 to 4 x 12.
- Specific Weight: 1.6 gr / cm3