This large professional pond filter set up is suitable for goldfish ponds up to 18,000 litres 4,000 gallons and koi ponds up to 9,000 litres 2,000 gallons.. Both bays of the filter contain foams, one of which is a coarse blue foam and the other a finer...

This large professional pond filter set up is ideal for koi ponds up to up to 18,000 litres 4,000 gallons and goldfish ponds up to 36,000 litres 8,000 gallons. The filter included contains two filter bays which each contain a filter foam, one blue coarse...

This system is suitable for goldfish ponds up to 9,000 litres 2,000 gallons and koi ponds up to 4,500 litres 1,000 gallons. The filter and pump included in it both offer the features found on similar products but at only half the price. Br br this set...