Tecnoseal Zinc 2.1 kg Pear Anode Foam Backing pad

Tecnoseal Zinc 2.1 kg Pear Anode foam backing pad. This anode has the standard 200mm centres. 

If your pear anode is worn away by 33% or more, it is advisable to change it as more of its surface area has been worn away and the remaining anode will wear away much quicker.