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F1 Protector Express 400 ml is a fast-dose central heating inhibitor in a 400ml canister, for protecting wet heating systems against internal corrosion and sludge build-up after cleaning and flushing.
F1 Protector Express 400 ml is a fast-dose central heating inhibitor in a 400ml canister, designed to help protect wet heating systems against internal corrosion and sludge build-up following cleaning and flushing.