Fernox Central Heating Protector F1

Protects against corrosion and scale in mixed metal central heating systems|When used in conjunction with Cleaner F3 gas savings of up to 15% can be achieved every time you heat your room|Stops frequent venting of radiators|Prevents sticking pumps and boiler noise|Reduces maintenance costs and saves on fuel bills|Prevents cold spots in radiators|Non toxic, environmentally friendly