Fernox Central Heating Leak Sealer F4 Express, 265mL
- Quick and convenient - doses in 30 seconds. Simple to use with no mess.
- Added via a radiator adapter or filling loop supplied.
- Saves time and money on draining down and repairing.
- Seeks out and seals most weeps and leaks.
- 100% recyclable can.
- Non-toxic, environmentally friendly formulation, 265mL.
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