Silent, Smart & Powerful, the Red Sea Reefwave smart pumps provide optimal water flow for corals in a range of reefscapes, regardless of their position in your marine aquarium. The combination of an advanced, smooth running and energy efficient sine-wave motor drive, with superior vibration damping mounts and dual bearings on all models, make ReefWave a nearly silent pulsing wave pump.You can control each ReefWave pump locally through its own dedicated controller or remotely via the built-in Wi-Fi that connects easily to Red Sea’s ReefBeat smartphone app. Features: Cross-flow technology wave pump for a gentle, evenly distributed flow Silent and energy efficient Sine-Wave DC control motor 5 programmable wave patterns with unique Forward/Reverse/Alternating flow modes Easy assembly/disassembly for maintenance Dedicated Wi-Fi controller for each pump Synchronize multiple pumps of different sizes ReefBeat App for easy set-up, operation, monitoring and notifications Sizes: 25 & 45