The NH Series 220V pumps from Pan World are high-performance water circulation solutions designed for saltwater reef aquariums and marine tanks. These powerful pressure-rated pumps offer a range of flow rates, with models such as the NH-50PX delivering up to 590 GPH and head pressures up to 16.5 feet. The larger NH250PS model can pump an impressive 1990 gallons per hour with a maximum head pressure of 39 feet, ensuring optimal water movement for even large aquarium setups. These pumps feature robust construction, including inlet/outlet fittings that vary from 1/2" to 1", making them versatile and easy to install in various plumbing configurations.