The Fernox F3 Express is a no mess, no hassle aerosol product which has been designed to make the job of dosing a central heating system quick and simple. Fernox F3 is a heavy duty, pH neutral cleaner which is designed to remove sludge and debris in existing and aged heating systems.

This product is universally compatible with all central heating systems. Because of its versatility, it's highly regarded as one of the best central heating cleaners on the market.

Main product features:

• Quick, convenient and simple to use - doses in 30 seconds
• Added via a radiator adapter or filling loop supplied
• Compatible with all metals and materials including aluminium
• Removes sludge and scale and restores heating efficiency
• Removes flux residues and other debris