Sicce UV-C Replacement Bulb 9 Watt is designed specifically as a replacement for the Sicce UV-C 9 watt clarifiers, ensuring the continued efficient operation of your aquarium’s filtration system. This high-quality bulb offers a long lamp life of up to 8,000 hours, providing reliable performance in both fresh and saltwater setups. Compatible with all Sicce UV-C Clarifiers, the replacement bulb helps maintain crystal-clear water by neutralizing harmful microorganisms such as algae, bacteria, and parasites.