UV-C water clarifier replacement bulbs from JBL, designed for the JBL UV sterilizer systems which can be purchased here. Bulbs are recommended to be replaced every 6 to 12 months.

Key Features:

• Crystal-clear and healthy water: UV-C water clarifier for the quick and efficient elimination of greenish and whitish cloudiness in aquariums.
  
  
• No change of water values, no effect on cleansing bacteria and water parameters.
  
  
• Germ-killing UVC radiation of 255nm, reduces risk of infection.
  

Note: UV-C lamps should never be touched with bare fingers because this reduces their service life.