Fernox F4 Express Leak Sealer 400ml Aerosol heatmiser The system heats surfaces and

The system heats surfaces and people directly rather than warming air first

The tough outer layer is designed to withstand the demands of a worksite ensuring the oxygen barrier remains intact

16 radiators or 250m² UFH (covers 97% of UK homes)• Fast-acting and accelerates all cleaning processes• Removes sludge

The material is resistant to cement

The pump features a user friendly interface with a simple push button

Fernox F4 Express Leak Sealer 400ml Aerosol heatmiser The system heats surfaces andMaterial Plastic Brand Kudos Trading Style Compact Item weight 600 Grams Item dimensions L x W x H 23 x 8 x 8 centimetres About this item Easy application method: Fernox F4 Leak Sealer Express 400ml is designed for a quick, simple, and hassle free application. With its unique pressurized canister, it can be directly introduced into a heating system without the need for draining or disassembly, saving time and effort. Seals small leaks effectively: