{"product_id":"quartz-sleeve-pentair-523040-bioshield-protection-replacement-part","title":"Quartz Sleeve | Pentair | 523040 | BioShield Protection | Replacement Part","description":"\u003cdiv\u003e\n\u003cp\u003ePentair BioShield Quartz Sleeve is a specialized replacement part that protects your pool lighting and preserves clarity under challenging water chemistry. Model 523040 delivers durable quartz with BioShield protection, designed to seal underwater lighting components and extend lamp life. Ideal for in-ground pools, spas, and any Pentair lighting setup facing chlorine and mineral-rich water, this sleeve helps maintain bright, even illumination with less maintenance over time.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eDurable quartz sleeve designed for compatibility with standard Pentair underwater lighting assemblies\u003c\/li\u003e \u003cli\u003eBioShield coating minimizes residue buildup and supports easier cleaning\u003c\/li\u003e \u003cli\u003eChemical and chlorine resistant to keep brightness consistent in high-use environments\u003c\/li\u003e \u003cli\u003eSeals against water intrusion to protect the light housing and extend bulb life\u003c\/li\u003e \u003cli\u003eSimple replacement with common pool tools, reducing downtime during maintenance\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoosing the BioShield Quartz Sleeve means fewer maintenance hassles, clearer night-time pool lighting, and longer-lasting performance for your underwater fixtures. Ready to upgrade your pool’s glow? \u003cstrong\u003eAdd to cart\u003c\/strong\u003e and enjoy brighter nights with easier upkeep.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48475778023667,"sku":"PEN523040","price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7101\/1571\/files\/PEN523040_0.jpg?v=1771479233","url":"https:\/\/everklearpoolsupply.com\/products\/quartz-sleeve-pentair-523040-bioshield-protection-replacement-part","provider":"Ever-Klear Pool Supply","version":"1.0","type":"link"}