(Aprox. 13 1/8" long - Used on spas from 1998-2008)
Safely kills bacteria, yeast, & virus on contact.
Oxidizes oils, lotions, & makeup.
Reduces chemical use.
Improves water clarity.
Maximizes bather comfort.
Reduces that “chlorine” smell.
For best results, replace every 18-24 months. After that, the bulb may be lit but the output is too low.