Braun 21B Series 3 Foil Cutter Cassette Clipper Trimmer Shaver Razor Replacement Head for 300s 310s 3070cc 3050cc 3000 320 310 300 Cruzer 5 6Product description Compatible with new generation Series 3 (3070cc, 3050cc, 3045, 3040, 3030, 3020, 3010 and 3000) old generation Series 3 (350, 350cc, 340, 320, 310, 300) and cruZer shave (cruzer 6 clean shave, cruZer 5 clean shave) Easily replace your Braun shaver parts every 18 months to maintain peak performance Made in Germany How to replace your shave head. For older models which have a foil and a cutter block as two independent parts, you will