Lifegard Aquatics UV Sterilizer Quartz Sleeve (15 Watt) Two Little Fishies Add a check valve when

Add a check valve when the air pump is positioned below the aquarium water level to help protect the pump from back-siphoning

Suitable for glass aquariums up to 7/11 in / 16 mm thick

Captures suspended debris before it accumulates in the sump

Each stalk becomes 2-4 cm wide and 10-30 cm high

Position the mounted coral where light and flow match the needs of the species being grown

Lifegard Aquatics UV Sterilizer Quartz Sleeve (15 Watt) Two Little Fishies Add a check valve whenLifegard 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