hygger 2114GPH Aquarium Wave Maker, Submersible Circulation Pump with Magnetic Mount for 60-150 Gallon Fish Tanks, Dual Powerhead for Freshwater & SaltwaterBrand: hygger Color: Black Features: Paired Nozzles for Wider Flow: Double Powerhead creates a wider range of water movement for fish and coral in mid to large aquariums. Surface agitation boosts oxygen levels, promoting vibrant fish behavior, while the coral friendly current supports natural sway for better nutrient uptake and growth Triple Noise Reduction Design: Features a low noise pure copper motor, silicone feet that buffer vibrations by