The Regal 250SSS 10 Recirculating Protein Skimmer is a high-performance in-sump filtration device designed for saltwater aquariums up to 600 gallons. It efficiently removes organic waste and impurities from the water column, ensuring a cleaner and healthier environment for your marine inhabitants. Its recirculating design optimizes contact time between water and air, enhancing its skimming capabilities. This advanced protein skimmer features a robust construction of high-quality cast acrylic, allowing for complete disassembly for easy cleaning and maintenance. It boasts a hybrid conical body that effectively stabilizes and concentrates the protein-rich foam for optimal collection. Powering this unit is the innovative Reef Octopus controllable Direct Current VarioS-6S pinwheel skimmer pump, offering five adjustable speeds for precise control over air and water flow, alongside enhanced efficiency and a useful float switch connection for added security. The Regal 250SSS 10 is ideal for serious reef hobbyists seeking powerful, refined filtration for larger aquariums, particularly where sump space might be a consideration. Its advanced DC pump technology provides unparalleled control and energy efficiency, making it perfect for those who demand the highest level of performance and customization from their life support equipment to maintain pristine water quality.