The Philips Norelco BG2000/40 fits Bodygroom models BG2020, BG2028, BG2030, BG2038, BG2040, and the bodygroom attachment for the Click & Style YS524. For optimal results, replace the foil every 12 months. To replace the foil: 1) Switch off the Bodygroom and disconnect it from the power outlet 2) Remove the shaving foil system and replace new system on the Bodygroom.