The combination pack can be the lifetime of his Braun razor as I easily extend for my 5005 from 1997, by many years. The recommended by Brown 18 months I take it not as accurate but after about 3 years the shaving foil is full of holes and then of course a swifter change of complete sets is due again.
Congratulations to Brown for its high-value products and Amazon is offering the packs have long been significantly cheaper than the retail price, it suggests.