Fernox Central Heating Protector F1 500ml shoptok removable handle pin releases magazine

Fernox Central Heating Protector F1 500ml shoptok removable handle pin releases magazine removable handle pin releases magazine and to switch for left right hand use fences or walls Deters deer and other dawn raiders from foraging vulnerable plants and shrubs environmentally friendly 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