This is a very, very quiet linear air pump. The cabinet is very well constructed. It comes with a prewired outlet that the fan and air pump are plugged into, the outlet is than ran outside the cabinet and you plug it into your power source. It runs 4 double air sticks, I’ll call them. They produce a ton of fine bubbles. Our pond and fish are very happy. The fine folks at American Aeration are truly an amazing team. Don’t hesitate to ask questions or buy this system. It really is 1 of the best.