A small type of zinc anode that can be threaded on the ends of bolts or, in the case of the collars, tightened around copper services or the stems of hydrants to protect the metal from corrosion.
- 5/8” Large Zinc Integrity Cap
- 3/4″ 6 oz Integrity Cap
- 1″ Large Zinc Integrity Cap
- 1” COR- Collar Square Zinc Anode Collar
- 1-1/4” Service Collar