*Product May Be Subject To Extended Lead Times. Designed for large ponds up to 50,000 liters, this 55W UV sterilizer delivers exceptional performance in maintaining water clarity. It eliminates harmful bacteria, algae, and other microorganisms, creating a balanced and thriving aquatic environment. With easy installation and low maintenance, this unit is an ideal solution for keeping your pond water pristine and fish-friendly. Max flow per minute 300 lt / pm