Jacuzzi® ClearRay® UV Sanitizer XL Bulb Replacement.

The ClearRay® Water Management System cleans water inside the circulation pipes & draws into the UV treatment chamber where water is naturally sanitized, killing 99.9% of waterborne pathogens before it is returned to the bathing area.

* Kills 99.9% of waterborne pathogens
* Keeps spa water safe, clean, clear, and free of algae and bacteria
* Anti-microbial lights reduce water chemical load to sanitize water
* Economical, rated to last one year under normal usage
* Annual replacement required