Axis 20 Return Pump Compact, Quiet, and Fully Controllable The Axis 20 delivers big pump performance in a small package—ideal for all-in-one aquariums up to 15 gallons. With quiet DC motor operation, smart wireless control, and built-in calibration, the Axis 20 offers advanced features usually reserved for larger, more expensive pumps. Whether used as a return pump or for circulation, it provides reliable, customizable flow in nano setups. Key Features: Designed for aquariums up to 15 gallons Quiet, energy-efficient DC motor Smart control via MyAI® app, Mobius®, or MXM Apex Fusion Three pump modes: Schedule, Feed, Calibrate Calibration prevents back-siphon by maintaining idle operation Coordinate multiple AI pumps with synced feed/maintenance modes Perfect as a return pump for AIO tanks Coverage & Specs: Dimensions: 2.125" diameter x 5.5" tall Max Flow: ~185 GPH (700 LPH) Max Head: ~5 ft (1.5 m) Power Consumption: up to 12W Recommended Tank Size: up to 15 gallons Output Nozzle Sizes: 0.5" (12mm) & 0.625" (16mm) What’s Included: 1x Axis 20 Centrifugal Pump 1x 0.5" (12mm) Barbed Output Nozzle 1x 0.625" (16mm) Barbed Output Nozzle 1x Power Supply The Axis 20 makes controllable, feature-rich pumping power accessible for nano and AIO aquariums.