Suitable for decorative ponds to 140,000 litres 31,000 gall, ponds with fish to 70,000 litres 15,500 gallon. Can also cater for koi ponds with 35,000 litres 7700 gallon. High build quality and one of the easiest filters to maintain.
Simply place the unit in your pond and it will float and gently heat the water. If frost occurs it will ensure that a patch is kept ice free so vital oxygen can still enter your pond and toxic gases escape.