Braun 30B Series 3/7000/4000 Series Foil and Cutter cartridgeReplacement parts for Braun's Series and7000/4000 Series modelsWould apply to model SyncroPro, Syncro, SmartControlandTri ControlTo maintain optimal shaving performance you should clean the shaving parts regularly with Braun cleaning agents and consider replacing the foil and cutterblock every 18 monthsProduct FeaturesThis replacement foil and cutter combo pack will fit the following Braun shavers model No4005, 4010, 4015, 4501, 4504, 4505, 4510, 4515, 4520, 4525, 4550, 4605, 4615, 4775, 4875, 5403, 5437, 5471, 5472, 5473, 5501, 5502, 5580, 5584, 5585, 5586, 7680, 750andSeries 3-340 (not weanddry)Foil and cutterblockFit's Braun Series and7000/4000 range of shaversBlades should be replaced every eighteen monthsReplacing your blade gives a 25% better shaveFor optimum performance, clean regularlyBrings back 100% performance 1-800-272-8611