Fernox Leak Sealer F4

How does the Fernox Leak Sealer F4 work?

Part of Fernox’s product portfolio is the Fernox Leak Sealer F4, a highly-effective internal leak sealer that solves system pressure loss issues. It works by seeking out small inaccessible internal micro leaks and weeps, and then forming a polymer to seal the leak. This video takes a look at how the Fernox Leak Sealer F4 solves […]

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