Tetra Pond Greenfree UV Clarifier replacement quartz sleeve. Kit includes: (1) Quartz Sleeve, Gasket and (2) O-rings are included.
Use Quartz Sleeve with the TetraPond GreenFree Clarifiers:
Note: This "Old Style" UV QUARTZ Sleeve fits Tetra UV Clarifiers manufactured before 2011. The base of the quartz sleeve is dark green - please make sure the quartz sleeve you're replacing matches this style!