For ponds under 1500 litres. Two different grades of Biomatt filter are used to ensure that blockages are reduced. The unique design of the tray guarantees an even distribution of water is drawn through the Biomatt, thus enabling the filter to be both mechanically and biologically efficient. Pebbles make up the third layer and are a key factor of a healthy biological environment (best results if run 24/7).

• Capable of biologically filtering up to a 1500 Litre pond.
• Suits pumps with flow rates up to 4000 litres per hour
• Two different Biomatt filter grades are used in each filter.
• Strong durable U.V. stabilised plastic tray.
• Barbed fitting for 25mm hose
• Size: 35cm long, 30cm wide, 16cm deep