Electrode Anode Titanium 340407 Compatible with: Ariston Contract STD 300 Protech Cylinders Ariston Contract STI 125/150/210 Protech Cylinders Ariston Contract STI 300 Protech Cylinders Ariston STD 125/150/210 Litre Protech Unvented Cylinders Ariston STI 125/150/210 Protech UK Cylinders
