The Fish Mate 5000 GBIO Gravity Pond Filter is designed for ponds ranging from 1,250 to 5,000 litres. This powerful filter uses a three-stage mechanical and biological filtration system to ensure optimal water quality and a healthier environment for your fish. It improves water clarity and is designed in a green colour to blend seamlessly with your pond’s natural surroundings, keeping your outdoor space looking neat and elegant. It can be positioned at ground level with your pond and used in conjunction with an additional UV filtration system for increased effectiveness.