Marine Sources Devil skimmer for internal use. The RDC-1800 Protein skimmer are for use inside one of your sump compartments and come complete with an advanced needle wheel low wattage pump. A venturi valve attached to the pump is used to inject air into the water flow, the water is then drawn through the needle wheel impeller, which chops the incoming bubbles into a fine mist by hacking through the water air mixture and eventually creating a foam at the top of the skimmer collection cup area.The benefits of the cone shaped design is that in principle a conical body allows the foam to accumulate more steadily through a gently sloping transition. In turn this will reduce the overall turbulence, resulting in more efficient skimming.The double reaction chamber feature of this skimmer ensures that the bubbles spread more evenly throughout the chamber as well as ensuring the bubbles and water have sufficient contact time to vastly improve performance over other skimmers.The innovative dual air intake which also acts as a silencer is key to this skimmers silent operation and bubble producing efficiency. FeaturesLatest cone shape reaction chamberRemovable skimmer body/bubble plate designExtreme performance needle wheel impellersEquipped with innovative dual venturi air intake unitSmooth twist collection cup for easy cleaning / maintenanceMade with top quality cast acrylicAir intake silencer for each needle wheel pump included
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