Fernox F4 Leak Sealer 500ml
Fernox F4 seals most weeps and small inaccessible leaks in sealed systems without causing blockages of the pump, air vents etc saving time and money on draining down and unnecessary repairs.
- Seals most small leaks
- 500ml easy-pour bottle
- Non-toxic, environmentally friendly formulation
- Compatible with all metals and materials commonly used in heating systems
|Manufacturer Product Number||Fernox-F4|
|Filter / Chemical Packs||No|
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