Nyos Quantum 220 Protein SkimmerEasy To Maintain Smooth Operation Low Power Consumption Plug and Play Design Silicone Silencer Feet Titanium Grade 2 Screws Precise Water Level Micro Adjustments Individual Air and Water Settings When it comes to protein skimmers, the Nyos Quantum line is not only stylish, it simply just works very well. Each skimmer includes a Hybrid Wheel which produces extremely fine micro bubbles and made with super light materials that reduce the rotating mass