*Product May Be Subject To Extended Lead Times. The UltraZap 30W Professional UV Sterilizer delivers high-performance water purification for large water bodies, including commercial aquariums, ponds, and industrial filtration systems. With its robust quartz sleeve and powerful UV lamp, it efficiently eliminates harmful microorganisms, ensuring safe and clear water. This unit is ideal for both freshwater and marine environments, offering long-lasting durability and effectiveness.