Octo Classic 110-S SkimmerThe NEW sleek and compact Reef Octopus Classic space saving in sump protein skimmer supplies powerful filtration. The Reef Octopus Classic SSS is constructed of high quality acrylic that can be completely disassembled for cleaning. Equipped with the new Aquatrance pinwheel pump, it produces an ideal mix of water and air for optimum waste removal. A simple vented wedge valve output provides precision control and allows cleaned water to exit the skimmer