The blagdon inpond is a complete in pond solution which includes pump filter uv clarifier and led spotlight the inpond all in one runs a fountain or waterfall and led spotlightr its easy and convenient to install with simple instructionsr designed for a small pond of up to 3000 litres this pumpfilter will run a fountainfeature filter and waterfall the all in one 3000 will run a pond in full sunlight of 2250 litresr recommended hose size 34 inch 19mmr stunning led night illuminati