Check the listing for details. Panworld NH-50PX External Pump - NEW. Condition: New. Listed at 200.00 USD. The Panworld NH-50PX External Pump is a reliable and efficient water pump designed specifically for fish tanks and aquariums. With its powerful motor and durable construction, this pump can easily handle the filtration needs of your aquatic pets. The external design makes it easy to install and maintain, ensuring a clean and healthy environment for your fish. Ideal for pet owners looking to keep their aquariums clean and well-maintained.