Features: OOTDTY fresh and positive Using fine and durable plastic materials, high-efficiency filtration would be carried out. Applicable for tank diameter: Approx. 150~300mm/6~12inch. Prevent the bogus resin of the water softener or the filter out of the filter out from wasting during quick backwashing. Easy to install and use. Package Includes: 1x water distributor. Specifications: Material: Plastic 3/4'' Bottom Water Distributor/3/4'' Top Water Distributor Applicable for Tank Diameter: Approx. 150~300mm/6~12inch. Package Includes: 1x Water Distributor Note: 1 allow 1-2cm errors thanks to handbook measurement, just be sure you don't intellect earlier than you order. 2 to the adaptation between diverse monitors, the image won't mirror the actual coloration of the item.