Axis 40 Return Pump Smart, Quiet, and Reliable Flow for Mid-Sized Tanks The Axis 40 delivers full-featured performance in a compact pump—ideal for aquariums up to 40 gallons. With quiet DC motor operation, smart wireless control, and built-in calibration, it offers the advanced features normally reserved for larger, high-end pumps. Use it as a return pump or for circulation and enjoy precise, customizable flow tailored to your aquarium’s needs. Key Features: Designed for aquariums up to 40 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 mid-sized aquariums Coverage & Specs: Dimensions: 2.44" diameter x 6.625" tall Max Flow: ~400 GPH (1,500 LPH) Max Head: ~9 ft (2.8 m) Power Consumption: up to 20W Recommended Tank Size: up to 40 gallons Output Nozzle Sizes: 0.625" (16mm) & 0.75" (20mm) What’s Included: 1x Axis 40 Centrifugal Pump 1x 0.625" (16mm) Barbed Output Nozzle 1x 0.75" (20mm) Barbed Output Nozzle 1x Power Supply The Axis 40 combines quiet efficiency with advanced control, making it the perfect pump for mid-sized aquariums.