Fully compatible cartridge valves (Pair) for the Franke Eiger Kitchen Mixer tap spares parts 1427R 3561R 133.0069.364 & 133.0069.365 F1427R, 3547R, 2552R, S1022) U Spout, Silk Steel silksteel chrome If your Eiger tap is leaking or dripping its time to replace the ceramic internal cartridges. Easy to replace. Premium Quality Made for long life cycle.