- This Braun replacement head is compatible with all Series 8 generation electric shavers - Its foil technology is gentle on your skin and protects it from nicks and cuts - 4+1 shaving elements work in sync to cut tough beards for a flawless close shave - Replace your shaver head every 18 months so you always get a shave of the highest quality - It's easy to change - simply click it onto your trimmer and you'll be looking your best in no time