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Fernox Filter Fluid & Protector Express 400ml
One Fernox Filter Fluid Protector 400ml can will protect an average sized system (100 litres or up to ten single radiators) and is added via a radiator, TF1 Filter or system filling loop. Fernox Filter Fluid+ Protector Express can be dispensed directly into a radiator air vent, system filling loop or via a TF1 Filter using the appropriate adapter supplied with the product. The whole process takes less than two minutes and 30 seconds to dose.