Fernox F3 Central Heating Cleaner 500ml eBay Active windows and doors|Exception Not suitable

windows and doors|Exception Not suitable for decking or other areas subject to high levels of abrasion

drawers and storage|Up to 12 months protection|Contains Cypermethrin

felt backing

Suitable for classic/vintage vehicles |Conforms to BS6580 (2010) |Contains Bitrex to help prevent ingestion

drink through lid|Fits most car cup holders|Dimensions (LxWxH): 12

Fernox F3 Central Heating Cleaner 500ml eBay Active windows and doors|Exception Not suitableNeutral universal cleaner for pre commissioning new systems in accordance with BS7593: 2006 Removes sludge, limescale and other debris to restore heating efficiency of existing systems When used in conjunction with Protector F1 gas savings of up to 15% can be achieved every time you heat your room Compatible with all metals and materials commonly used in heating systems Easy to use, system can be left running normally during cleaning Suitable for use