Fernox Central Heating Protector F1 500ml Option:500ml |Guaranteed to completely block wood

|Guaranteed to completely block wood knots|Ready to paint over in 4 hours|Use on bare or previously painted wood

Glyphosate free|Results within 1 hour|Allows replanting or seeding within 24 hours|Ideal for use in flower beds

quick drying

4mm Encapsulated base|0

Fernox Central Heating Protector F1 500ml Option:500ml |Guaranteed to completely block woodProtects 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