A fantastic pond system for goldfish ponds up to 36,000 litres (8,000 gallons) or koi ponds up to 18,000 litres (4,000 gallons). The system includes carefully matched components to bring you the best functionality at an extremely attractive price! This set contains the following components (please click links below for more information): • PondXpert UltraFlow 14000 pond pump • PondXpert MultiChamber 36000 flow-through filter • PondXpert Greenstop Pro 36w UVC * Saving made when compared to buying items separately.