Designed to handle virtually any application where water has to be moved. They have been fulfilling the needs of professionals and hobbyists for over 20 years with efficient, quiet, and reliable 24/7 performance. Aqua-Mags are ideal in either saltwater or freshwater environments and operate equally well inline or submerged. With only one moving part, a magnetically-driven impeller, and an epoxy-encased power unit, there's never a fear that they will contaminate the water with harmful oils or chemicals. Reusable debris pre-filter. 10ft grounded power cord. Energy efficient. 1/2in FPT Inlet, MPT Outlet. UL Listed. 500gph max flow rate, 10ft 5in shut-off.