IceCap 2K Gyre Flow Pump with Controller The IceCap Gyre is a unique flow pump that virtually eliminates dead spots in the aquarium by crossflow water movement technology. The pump can be mounted discreetly close to the water surface. The Gyre flow pump controller includes five flow presets: Pulsing, Constant Flow, Stream, Random, and Cycle modes. Equipped with a controller lock setting, 20-minute feed mode, and a night mode that operates at the lowest flow rate when the controller senses low light levels. The IceCap 2K is also Direct Drive Compatible with theHYDROS WaveEngineandWaveEngine LEmulti-pump controller (not included). Gyre 2K Pump Features & Benefits Unique Gyre Flow: Virtually Eliminates Dead Spots Evenly Distributed Linear Flow Discrete Design Can Be Mounted Vertically or Horizontally Can Be Mounted Close to the Water Surface Waterproof Magnet Mounts Twin Directional Flow Cages Includes 2 Sets of Propellers: Orange and Black HYDROS WaveEngineDirect DriveCompatible (not included) 1-Year Limited Warranty Flow Pump Features Five (5) Flow Modes: Constant, Stream Wave, Random, Pulsing, Cycle Controller Lock Setting Feed Mode (20min) Night Mode (pump operates at the lowest flow rate when the controller senses low light levels) The IceCap 2K Gyre uses officially licensed technology by Maxspect, creators of the original Gyre pump, to generate the now-iconic gyre water flow in your aquariumbut without breaking the bank! Gyre 2K Technical Specs Rating:Aquariums 20-90+ Gallons Maximum Flow:2,000 Gallons Per Hour Minimum Flow: ~739 Gallons Per Hour Power Consumption:8-25 Watts Size:8.78L x 2.83W x 1.5H Weight:457g/16.10z Pump Cable Length: 6ft Tank Thickness:Up to thick Glass or Acrylic: Safe for Both