This pump has no difficulty providing an optimum pumping height of up to 4 ft. high! It is a durable pump is epoxy encapsulated and uses no oil which means it is completely safe for your fish and aquatic plants. Use the pump to aerate your water garden, which will reduce algae and mosquitoes. Magnetic drive pump that runs super quietly. Comes with a 1 year warranty. This pump is designed for fresh water use only. UL listed.