Philips Norelco HQ56/52 Reflex Plus and Micro Action Electric Shaver Replacement Heads
For best results replace shaver head every 2 years. Fits model No. Series 5400, 5600, 5800, 6400, 6600, 6800, and 6900. Reflex Plus heads do not fit Reflex Action models. Replaces model No. HQ4PLUS and HQ55. No. HQ56: