Gravel is a natural filter media made from natural material crushed to the required fraction and cleaned before packaging. This material is chemically inert, and due to its natural origin, it does not emit any harmful impurities into the water.
The granules have a spherical shape, which allows for a high flow rate and water distribution in the support layer.
It is used for mechanical filtration of drinking water and wastewater filtration.
Supplied in 25 liter bags.
