Change heads every 2 years for 100% performance, within two years, your shaver heads cut 9 million hairs on your face. Replace the, shaver heads and get back to 100% performance, compatibility, compatible with s9000 and s9000 prestige, powerful shaver, gentle on skin, advanced precision for a closer shave, easy to use, reset your shaver very simply, replace the shaver heads and get back to 100% performance, fits product type: shaver series 9000 s9xxx and s9000 prestige sp98xx .
