The energy-efficient Aqua-Supreme 400 Magnetic Drive Submersible Pump is designed to tackle a vast array of freshwater and saltwater applications. It delivers reliable, ultra-quiet performance with a maximum flow rate of 400 gph. With the included 1/2" MPT in-line volute, the Aqua-Supreme 400 can be converted for in-line applications. A variable flow control allows you to adjust the output of this versatile pump depending on the unique needs of your aquarium system. The Aqua-Supreme submersible pump 400 features a 6 foot power cord with grounded plug, and includes a 1 year manufacturer's warranty. C-UL-US listed for safety.