This submersible pond pump is designed to keep your pond water clean and healthy. With a power of 3000W, it is able to circulate up to 3000 liters of water per hour, making it suitable for ponds of various sizes. The pump is specifically designed for use in ponds and is perfect for maintaining a healthy and clean environment for your fish and plants. The HY-4501 model is easy to install and maintain, and is suitable for use in both indoor and outdoor ponds.