*Product May Be Subject To Extended Lead Times. The UltraZap 8W Professional UV Sterilizer is an efficient and reliable solution for eliminating harmful bacteria, viruses, and microorganisms from water. Featuring a durable quartz sleeve for enhanced UV exposure, this unit is ideal for small aquariums, fish tanks, and light-duty marine applications. It ensures crystal-clear water by preventing algae growth and promoting a healthier aquatic environment.