The high performance Ocean Queen 90 suits aquariums up to 900 litres. It utilizes a 24 V DC Runner 2.3 Ultra Silent venturi pump with LCD digital controller and App-control (IOS & Android). Optimum bubble size and shape is due to the new optimized Power Wheel. The skimmer pump produces a high air volume of 1,000l/h. Foam production is adjustable both electronically and manually. Internal Foam Rails reduce turbulence and guide bubbles. Directional foam formation is aided by a Bubble Booster. The skimmer can be completely dismantled for cleaning. It features multi position external pump mounting for optimal skimmer placement in the sump. The externally mounted pump ensures simple cleaning without the need to dismantle the entire skimmer. Total height 480mm. 30mm clearance is required to remove the skimmer cup if mounted inside a cabinet. Footprint 290 x 210mm. Optimal sump water level 15 - 19cm. Power consumption 18w. Warranty 2 years.