Reef Octopus Regal 300SSS Protein Skimmer300 SSS Space Saving Protein Skimmer with Advanced Control The new and innovative Reef Octopus Regal 300 SSS in sump protein skimmer supplies powerful filtration for aquariums up to 600 gallons where sump space may be limited. The Reef Octopus Regal 300 SSS is constructed of high quality cast acrylic that disassembles completely for cleaning. Its hybrid conical body naturally stabilizes and concentrates the organic rich foam as it rises. This Regal