Wrekin Water Gravel - 2 - 3.15 mm 25Kg (washed)

• Common Grade Gravel and is the most commonly used grade for Water Treatment systems - Please see the listing - Common Grade
  

Filter gravel is a coarse, granular material used in water filtration systems to provide a support structure for the filter media and to distribute water flow evenly. It's typically placed at the bottom of a filter bed, beneath the filter media such as sand or activated carbon.