Featuring Biotec 36 Screenmatic Filter, Aquamax Eco 16000 Pond Pump & Bitron 110C UVC. Suitable for decorative ponds to 110, 000 litres (24, 200gall), ponds with fish to 55, 000 litres (12, 100 gallon). Br> Can also cater for koi ponds to 25, 000 litres (5500 gallon). You are assured that all components are of the highest quality. The Screenmatic function means that this is one of the easiest systems to maintain. Buying a complete set in this way guarantees correctly matched kit & saves you hundreds of pounds.