Your Choice Aquatics DC10 Protein Skimmer Semi-Cone Body, Internal Skimmer Small Space Saving Footprint: 5.9" x 4.7" x 19.9" 8w Controllable DC Skimmer Pump Polished Cell Cast Acrylic Bio-Load- Light: up to 125g, Medium: up to 100g, Heavy: up to 75g