Introducing the PondoClear Set 4000 a complete filter set from Oase that is great value without compromising on quality. Filter-Sets with clear water guarantee for ponds up to 4,000 litres (without fish stock) and up to 2,000 litres (wish fish stock) With 7 watt UVC clarifier for eliminating suspended algae. Multi-stage Filter system with different filter stages (filter sponge, bio surface elements). High-performance UVC-filter-pump unit with 4 mm filter slots, 3 m hose and all connections. Two year guarantee. Dimensions: 300 x 260 x 310 mm.