150 gal Aquarium Protein Skimmer w/ 530GPH Pump Filter Powerhead Tank Salt Water by Yescom Rather quiet operation will have no noise to the fishes, corals or other aquatics Double venturi pump produces almost 50,000 micro bubbles a minute - making sure everything that can be skimmed will not be missed 2 applications: can either suck on the in wall of aquarium or hang on the tank (hanger width: 5/8") , No additional equipment needed,require simple assembly Upper chamber detachable for frequent cleaning and maintenance,Totally submersible pump Oil-free motor to avoid pollution to the living circumstance, Remove organic wastes, toxins and decrease algae build-up