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helping keep surfaces free of algae and grime
Lowering a pool's pH level will also lower the risk of eye irritation
and Posi-Clear RP canisters
helping you keep pool water clear with fewer passes
Pentair BioShield 120 Watt UV Lamp 523037 cute figurine helping keep surfaces free ofPentair BioShield 120 Watt UV Lamp 523037 Revitalize your BioShield UV disinfection with the Pentair BioShield 120 Watt UV Lamp (523037). This direct replacement for BioShield UV systems (Model 522937) delivers consistent UV C output to help keep pool and spa water clear and hygienic. Built by Pentair, a trusted name in water treatment, it supports reliable microbial control while simplifying routine maintenance and part replacement for peace of mind.