UV Sterilizers utilize quartz sleeves to protect the bulb from coming into contact with the water. Over time the heat from the bulb will cause minerals and other deposits to form onto the outside of the sleeve, and not allowing as much light through to contact the water. Changing the sleeve only takes a couple of minutes and we highly suggest changing out the lamp at the same time to ensure top efficiency and sterilization.
Each Quartz Sleeve includes a new Rubber Seal
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