Wavezone UV/O3 including BulbThe Canadian Spa UV AO3P with UV 18W Bulb and ozone is a powerful sanitation system designed for use with Canadian Spa Company's Glacier AO3P Filtration System. It features an 18W bulb that is significantly stronger than the industry standard, providing maximum sanitization for your spa or hot tub. The UV light emitted by the 18W bulb helps to kill bacteria, viruses, and other microorganisms that may be present in the water. This helps to keep the