The Reef Octopus Octo Pulse 4 Aquarium Wave maker Pump is a high-quality water pump designed specifically for aquariums with a tank capacity ranging from 80g to 500g. With a flow rate of 4500 GPH, this wave maker pump is capable of efficiently circulating water in all types of aquariums. The Octo Pulse 4 model from Reef Octopus is known for its reliability and durability, making it a popular choice for fish tank owners looking to create gentle waves and water currents to keep their aquatic pets healthy and thriving.