Tetra Pond Green Free UV Clarifier replacement UV bulbs. Lamps will work with both new & old style Green Free Clarifiers and Bio Active Pressure Filters with Green Free UV Clarifiers built in! TetraPond Green Free UV Bulbs help keep your pond free from algae.
Compatibility: Simply match the wattage of your UV Clarifier with the wattage of the bulb below!
NOTE: This "New Style" UV Bulb fits Tetra UV Clarifiers manufactured 2011 or later.