PHILIPS SH91/50 S9000 Shaver Head

Features: - Advanced Precision For A Closer Shave: With Up To 150,000 Cutting Actions Per Minute, The Precision Blades Deliver A Close Shave. Reset Your Shaver Very Simply: - Press The Release Buttons And Detach The Shaving Head Holder. - Turn The Retaining Rings Counter Clockwise And Remove Them. - Remove Old Shaving Heads And Insert Replacement (Notches Should Fit Exactly Onto The Projections). - Place Retaining Rings Back And Turn Them Clockwise Until You Hear A Click. - Insert The Shaving Holder Back And Close. Replace The Shaver Heads And Get Back To 100% Performance: - Compatible With S9000 And S9000 Prestige - Sh91 Replacement Heads Are Compatible With All Shavers Series 9000 (S9xxx) And S9000 Prestige (Sp98xx).