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b'A complete pack for cleaning, protecting and guarding a central heating system. The TF1 Omega Filter is a precision-engineered, sealed in-line system filter made from nickel plated brass. This market-leading, high-performance filter is available with quality valves and slip socket connections, which is an industry first. The TF1 Omega Filter offers the ultimate in installer choice and has a market-leading 25 year warranty. Supplied with best-in-class chemical water treatment, Cleaner F3 and Protector F1 to ensure system efficiency and longevity.'