Silcarbon also provides the following filter materials for water purification:

• Quartz sand: Filter sand
• Anthracite:    Filter coal N
• Lignite coal:   Filter coal H

Quartz sand and anthracite are mostly used for removing turbidity in water filtration.
Filter coal H is primarily applied in swimming-pool filters for removing turbidity. Filter coal H also has dechlorination characteristics.

Quartz sand is offered in the following grain sizes:

• 0.7 – 1.2 mm
• 1 – 2 mm
• 2 – 3.15 mm
• 3 – 5 mm

Anthracite N is provided in the following grain sizes:

• 0.6 – 1.6 mm
• 1.4 – 2.5 mm
• 2 – 4 mm

Filter coal H is provided in the following grain sizes:

• 0,5 – 1,6 mm
• 1,4 – 2,5 mm