Aqua Euro USA - Euro Cone 80 gallon protein skimmer is designed for nitrate reduction and elimating DOCs (disolved organic compounds) in saltwater aquariums only, up to 80 gallons. Efficient filtratin for reef aquariums, this skimmer includes a quiet operating Reef Octopus Aquatrance 1000s Pin Wheel pump (9 Watts only) for maximum micro bubble production and increased DOC collection. Cone shape design puts more pressure into the reaction chamber for increased skimming performance. Compact in design with only a 7" x 5" foot print does not take up much sump space. Hand glued, thick acrylic body - not plastic. Quiet operating and reliable. A must for coral reef aquariums. Corals dont like nitrates. This reduces nitrates and provides for a cleaner, healthier ecosystem for corals to thrive and grow. Height: 18.75" with 5" x 5" base.