Intex glass beads for filter pump These glass beads filter the pool water extra well. The beads are suitable for every Intex sand filter. For a 4m3/h sand filter pump, approximately 8.5 kg is required. For a 6m3/h sand filter pump, approximately 16 kg is required. For an 8m3/h sand filter pump, approximately 25 kg is required. For a 10m3/h sand filter pump, approximately 38 kg is required. Specifications: Colour: cream Material: glass Weight: 25 kilos