Its condition is used, I just used for 2 weeks . The Aquarium Circulation Pump Wave Maker Power Head by Freesea is a powerful corded electric pump designed to create water circulation and waves in fish tanks. With a maximum flow rate of 26.6 gallons per minute and a sleek black color, this wave maker pump is perfect for aquarium enthusiasts looking to enhance their underwater environment. The magnetic mount suction feature allows for easy installation and the plastic construction ensures durability. At 1600 GPH, this pump is capable of handling large aquarium setups and providing the necessary water movement for a healthy ecosystem.