Lifegard Aquatics UV Sterilizer Quartz Sleeve (15 Watt) Coralvue Hydros so use the compatible Fluval

so use the compatible Fluval Marine 3

The ReefRun Dual Controller is required and sold separately

and nitrate in the same filter system

blocked media

increasing air-water contact time for stronger skimming performance

Lifegard Aquatics UV Sterilizer Quartz Sleeve (15 Watt) Coralvue Hydros so use the compatible FluvalLifegard Aquatics UV Sterilizer Quartz Sleeve (15 Watt) Lifegard Aquatics UV Sterilizer Quartz Sleeve (15 Watt) is a replacement quartz sleeve for compatible 15 watt Lifegard UV sterilizers. 15 Watt UV Quartz Sleeve Replacement The quartz sleeve separates the UV bulb from the water flowing through the sterilizer while still allowing UV light to pass through. Replacing a cracked, stained, or worn sleeve helps protect the bulb and maintain proper