This pond air pump boasts a lot of features for the low ticket price. It is powerful and can provide a maximum air flow of 3,600lph. As a guide this is enough air for a pond of 25,500 litres (20,000 if keeping fish and 10,000 if keeping koi). The quality aluminium casing ensures that the pump is quiet in operation and the pump comes with a generous amount of accessories so you can control your air flow how you want it. No need to purchase any accessories means this pump offers tremendous value for money and we have no hesitation in recommending it.