• Fernox F1 Express Protector
• 400ml
• Quick and convenient – doses in 30 seconds
• Simple to use with no mess
• Add via a radiator adapter or filling loop supplied
• Protects against corrosion and limescale
• Non-toxic, environmentally friendly formulation
• Maintains system efficiency and extends boiler life

Protector F1 is an inhibitor which protects against corrosion and limescale formation in domestic central heating systems. Protector F1 is suitable for use with all metals and materials commonly used in heating systems including aluminium. For long-term protection ensure concentration levels are maintained and checked annually as part of the boiler or system service.