Philips Replacement shaving heads SH91/51

The SH91/51 Shaver Head replaces the SH90/70. The SH91/51 is a different design from the SH90/70 & provides a better cut, but still fits

All the older 9000 series models.
- Fits S9000 (S9xxx)
- Fits S9000 Prestige (SP98xx