Engineered for 24-hour continuous use, Big Frog Eco-Drive Pumps are reliable around the clock. Big Frog Eco-Drive Pumps contain absolutely no oil making them completely fish safe. These pumps are specifically designed for low head applications to work with 90% of all ponds. With the help of the overload sensor shut-off protection, Big Frog Eco-Drive Pumps are able to prevent overheating and burning out. Plus, the low suction point on Big Frog Eco-Drive Pumps is perfect for clean-outs and draining! The Big Frog pump comes with a 2-year warranty.