The new and innovative Reef Octopus Elite 200-INT in-sump protein skimmer supplies powerful filtration for aquariums up to 400 gallons. The Reef Octopus Elite 200-INT is constructed of high-quality cast acrylic and PVC that disassembles completely for cleaning. Its unique wine glass body naturally stabilizes and concentrates the organic rich foam as it rises. Equipped with a controllable Reef Octopus DC 3500 pinwheel pump with integrated memory controller. This skimmer features a unique “twist and lift” collection cup to make removal and cleaning a simple task, an easy to use vented wedge valve provides precise control, and an underwater outflow for quiet operation.