• Fernox F3 Express Cleaner
• 400ml
• Quick, convenient and simple to use – doses in 30 seconds
• Added via a radiator adapter or filling loop supplied
• 100% recyclable can
• Compatible with all metals and materials including aluminium
• Removes sludge and scale and restores heating efficiency
• Removes flux residues and other debris
• pH Neutral, non-hazardous and environmentally formulation

Cleaner F3 is a heavy duty, pH neutral cleaner which is designed to remove sludge, scale and debris in existing and /or aged systems. It is ideal for use when powerflushing to aid the cleaning process and to restore heating efficiency. In accordance with BS 7593:2019 for long term protection the system should be thoroughly cleaned and flushed.