Braun Series 9 replacement shaver head, specifically the 92S model, which is compatible with all Braun Series 9 electric razors. Product: Braun Series 9 92S Electric Shaver Head Replacement Cassette. Compatibility: This replacement head is compatible with all Braun Series 9 electric razors, including models such as 9290cc, 9291cc, 9370cc, 9293s, 9385cc, 9390cc, 9330s, and 9296cc. Maintenance: Braun recommends replacing the shaver head every 18 months to maintain optimal performance and ensure a close and comfortable shave. Features: The Series 9 shaver heads are designed for efficiency and gentleness, featuring 5 shaving elements that can cut millions of hairs and a ProBlade for shaving hair below 0.05 mm. 109 Bin 77