Red Sea ReefWave 45 PumpReefWave Silent Smart Powerful Based on Gyre patented, cross flow technology, ReefWave smart pumps are nearly silent, smart, powerful and easy to maintain. They provide an optimal REEF SPEC water flow for corals in a wide range of reefscapes, regardless of their position in your 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,