Quartz Sleeve | Pentair | 523040 | BioShield Protection | Replacement Part

Pentair 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.

• Durable quartz sleeve designed for compatibility with standard Pentair underwater lighting assemblies
• BioShield coating minimizes residue buildup and supports easier cleaning
• Chemical and chlorine resistant to keep brightness consistent in high-use environments
• Seals against water intrusion to protect the light housing and extend bulb life
• Simple replacement with common pool tools, reducing downtime during maintenance

Choosing 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? Add to cart and enjoy brighter nights with easier upkeep.