Usage Tips:Features: brand and high qualityUsing high-quality and durable plastic materials, high-efficiency filtration can be carried out.Applicable for tank diameter: Approx. 150~300mm/6~12inch.Prevent the ion exchange resin of the water softener or the filter medium of the filter from losing during rapid backwashing.Easy to install and use.Package includes: 1x water distributor.Specifications: Material: PlasticStyle: 3/4'' Bottom Water Distributor/3/4'' Top Water DistributorApplicable for Tank Diameter: Approx. 150~300mm/6~12inch.Package Includes: 1x Water Distributornote: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.