The smaller MGDuff Pear Anode AD76 is weld-on and can used for extra protection in brackish waters. People tend to use zinc because its cheaper but aluminium anodes are a lot lighter and can used in brackish waters.
Weld-on Nom Net Weight 0.05kg
Material: Aluminium for brackish waters
Weight (kg): 0.5kg
Overall Length: 160mm
Anode Length: 114mm