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 very small pond dimensions approx 14m l x 12m w x 045m d will run a fountainfeature filter and waterfall 75cm high in a pond with a max volume of 1400 litres 308gals the all in one will run a pond in full sunlight of 700 l