Philips SH91/50 Replacement Shaving Heads - series 8000, 9000 and 9000 Prestige

Press the release buttons and detach the shaving head holder. Turn the retaining rings counterclockwise and remove them. Insert the shaving holder back and close. NanoTech DualPrecision blades shave close precisely at skin level (up to -0.08 mm below the skin), performing up to 165,000 cutting actions per minute.

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