Most efficient pool pump to date.

http://www.spectralightuv.com/eco-pool-pump.html

EcoPump is a whole new kind of pool pump – it’s the world’s first pool pump to give more and take less. EcoPump runs on just 1/3 kW running on just pennies a day while starting at less than $700. The result is the highest return on investment (ROI) of any pool pump.