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The quartz sleeve is an important part of the UV water treatment system. It protects the UV lamp from coming in contact with the water while allowing the UV light to permeate the water. Minerals from the water will build up on the sleeve over time causing the sleeve to become cloudy not allowing the UV light to permeate the water as effectively. How quickly the minerals build up on the sleeve will vary depending on your water hardness. Once the mineral layer on the quartz sleeve cannot be removed via cleaning, or the sleeve cracks or breaks it's time to get a replacement. USWF-RQ950 is a replacement sleeve for the USWF-H4-PL Pool UV system. All quartz sleeves come with 2 replacement o-rings.
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🇺🇸 Ship from USA · On Agora since 2025
$81.64