Evolution Aqua VariPumpWhat is an Evolution Aqua VariPump? The Evolution Aqua VariPump range is made up of versatile and powerful pond filter pumps suitable for almost any domestic use. The variable flow pond pumps range in strength from the 75W VP10 with a 10,000lph max flow rate to the 450W VP30 with a 30,000lph max flow rate. All of the models in this range boast a 5mm solids handling capacity, a digital display control box and a 2 year guarantee. Why should I buy an