The Iwaki WMD-20RLT Aquarium Pump is a high-quality, American-made external pump designed for demanding saltwater reef aquarium applications. This robust unit efficiently circulates water, making it a reliable choice for various setups where consistent flow and pressure are critical for optimal system performance. It is particularly engineered to handle back pressure effectively, ensuring stable operation.

Boasting a flow rate of 420 gallons per hour and a maximum head of 14.1 feet, this pump delivers powerful performance while operating at a modest .45 amps. Its compact dimensions of 10.5" X 3.5" X 4.4" allow for flexible installation. The WMD-20RLT features standard 3/4" MPT inlet and outlet connections, making integration into existing plumbing straightforward.

This pump is an excellent choice for reef aquarists requiring a dependable solution for high-head applications, such as pushing water through sumps, reactors, or return lines with significant vertical lift. It is also highly recommended for systems utilizing cartridge or pressure filters, where its superior back pressure handling capability ensures efficient filtration and longevity of the system components.