Our zero energy pumps achieve high pumping efficiency over a very wide range of pumping heads, which is superior to many water rams currently available in the market. These ingenious little devices will give you years of trouble free water pumping, avoiding the need for more expensive alternative solutions. Not only do our pumps give you zero energy pumping, they are also made from a high percentage of recycled and composite materials, making it one of them some of the most eco-friendly microhydro pumps available on the global market.