- Replacement head designed for Philips Series 9000 shavers, model SH90 - Compatible with various models: S9311/27, S9311/84, S9311/87, S9321/88, S9511/63, S9531/84, S9721/84, S9721/87, S9721/89 - Double-layer stainless steel blade that adapts perfectly to the skin - Provides a precise, smooth, and irritation-free shave - Easy installation: remove the old head and attach the new one without the need for tools - Long lifespan thanks to enhanced sharpening technology - It is recommended to replace the head every 12 months to maintain performance - Includes 1 shaving head and 1 cleaning brush - Silver color, ideal for keeping your shaver like new